Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value

Charena Jumamil Castro

doi:doi:10.11648/j.ijnfs.20251402.11

Research Article |

| Peer-Reviewed

Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value

Charena Jumamil Castro^*

Published in International Journal of Nutrition and Food Sciences (Volume 14, Issue 2)

Received: 9 December 2024 Accepted: 5 February 2025 Published: 21 March 2025

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Abstract

This paper presents the perceptions and effectivity of seven food preservation methods with a focus on extending shelf life while maintaining nutritional food value. The methods discussed include High-Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coatings and Films, Cold Plasma Treatment, Irradiation, and Nanotechnology Applications. A comparative analysis was undertaken to determine the effectiveness, strengths, and weaknesses of each method. There were 40 respondents who shared their views and experiences on the various advanced food preservation methods. Survey data indicate varying degrees of consumer familiarity and acceptance, as well as perceived benefits and concerns regarding these technologies. The findings suggest that combining multiple preservation techniques can optimize outcomes by leveraging the unique advantages of each method. The paper concludes with recommendations for integrating advanced preservation methods, enhancing consumer education, investing in research and development, advocating for regulatory support, tailoring solutions to specific food categories, and prioritizing sustainability. Thus, by implementing these seven preservation methods, the food industry can achieve improved food safety, extended shelf life, and better nutritional quality, ultimately benefiting both producers and consumers.

Published in	International Journal of Nutrition and Food Sciences (Volume 14, Issue 2)
DOI	10.11648/j.ijnfs.20251402.11
Page(s)	85-97
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2025. Published by Science Publishing Group

Keywords

Food Preservation, Food Safety, Nutritional Value, Preservation Method, Shelf Life

1. Introduction

Food preservation is a critical aspect of food science and technology, playing a vital role in ensuring food security, reducing waste, and maintaining the nutritional value of food products. With the increasing demand for fresh, healthy, and long-lasting food, there is a pressing need to develop and implement advanced preservation techniques. This paper explores seven methods in food preservation, focusing on their ability to extend shelf life while preserving the nutritional value of food products.

In Sridhar et al., the issue of food wastage significantly affects public health, the environment, and the economy, particularly against the backdrop of a growing population and dwindling natural resources. The presence of moisture and microbial organisms in food contributes to this wastage. It is possible to eliminate or deactivate these microbes, and it is essential to prevent cross-contamination with pathogens such as the coronavirus disease 2019 (COVID-19). In some situations, it may not be feasible to reduce moisture content. Various preservation techniques exist, including thermal, electrical, chemical, and radiation methods. This review focuses on advanced food preservation techniques, particularly for fruits, vegetables, beverages, and spices. We highlight electrothermal, freezing, and pulse electric field methods, as they facilitate both the reduction of pathogens and enhancements in nutritional and physicochemical characteristics. Ultrasound technology and ozone treatments are effective for preserving heat-sensitive foods

[1]

The evolution of food preservation is deeply rooted in human history, reflecting the necessity to ensure food availability during times of scarcity. Our earliest ancestors employed rudimentary methods such as drying, salting, and fermenting to extend the shelf life of their food, adapting these techniques to suit the resources available in their environments. As societies advanced, so did their preservation methods, incorporating more sophisticated processes like canning and refrigeration. These innovations marked significant milestones in food technology, laying the groundwork for the modern preservation techniques we use today. These advancements have been crucial in enhancing food safety, reducing waste, and improving the nutritional quality of preserved foods, thus contributing to the global food supply chain's efficiency and sustainability

[2]

Preservation techniques help to assure a consistent supply of food by increasing the shelf life of food products, which is especially important in areas where food scarcity is prevalent. Food preservation is also a critical component of addressing the world's food security issues. Food security, as defined by the World Bank Group, includes the availability, usage, and stability of food in addition to supply. Preservation methods are important in this setting because they reduce post-harvest losses, maintain food's nutritional content while it is stored and delivered, and keep food prices consistent. These steps ensure that individuals, particularly those living in low-income areas, always have access to adequate food that is safe, nutritious, and sufficient for an active and healthy life

[3]

Reducing food loss and waste has significant global and local advantages. According to Goodwin, food waste causes major economic losses and environmental damage, including wasteful greenhouse gas emissions from decaying organic waste in landfills. Implementing modern food preservation methods can help to reduce these losses and make greater use of the food that is produced. This not only improves food security, but it also saves resources such as water, energy, and labor required in food production. Furthermore, lowering food waste can increase food availability and cost, making nutritious foods more accessible to marginalized communities. As a result, effective food preservation is an important method for ensuring sustainability, economic stability, and environmental health

[4]

Advanced preservation methods strive to maintain the nutritional integrity of food, ensuring that consumers receive the maximum health benefits from their diet. The preservation of nutritional value is a cornerstone in advancing nutrition science and public health. According to Mattes et al., the diversity of research methods in nutrition science underscores the importance of developing and utilizing preservation techniques that retain essential nutrients. These methods are designed to minimize the loss of vitamins, minerals, and other bioactive compounds during processing and storage. By doing so, they help in delivering foods that contribute to optimal health outcomes. This is particularly crucial in addressing nutritional deficiencies and supporting the overall well-being of populations. Advanced preservation techniques, such as high-pressure processing and pulsed electric fields, not only extend shelf life but also preserve the food's sensory and nutritional quality, ensuring that consumers benefit fully from their dietary intake

[5]

Preserved foods provide convenience to consumers, offering longer storage periods and reducing the frequency of grocery shopping. In times of economic uncertainty and rising grocery prices, the convenience of preserved foods becomes even more significant. Fairhurst highlights that in the face of grocery inflation, consumers seek cost-effective and time-saving solutions. Preserved foods meet these needs by allowing households to purchase items in bulk, store them for extended periods, and minimize the need for frequent shopping trips. This not only saves time and effort but also helps consumers manage their budgets more effectively. Moreover, the ability to store food for longer periods ensures that families have access to essential items without the constant pressure of fluctuating prices and availability, making preserved foods a practical and reliable option in challenging economic times

[6]

Reduced spoilage and greater market reach assist the food sector, potentially increasing profitability. In addition to increasing profitability, decreasing food waste provides significant economic benefits to the food business. Bauer points out that food waste reduction measures can dramatically reduce expenses related with spoiling and unsold inventories. Companies that use modern preservation techniques can keep the quality and safety of their products for longer periods of time, reducing losses and increasing supply chain efficiency. This efficiency not only lowers operational expenses but also enables firms to increase their market reach by delivering preserved meals to remote or underdeveloped areas

[7]

Techniques like drying, salting, and high-heat treatments often result in the loss of essential nutrients, including vitamins and minerals. These methods can alter the taste, texture, and appearance of food, making it less appealing to consumers. While traditional methods do extend the shelf life of food, they may not be as effective as modern techniques in significantly prolonging freshness. Some traditional methods, if not properly managed, can lead to food safety issues such as the growth of harmful microorganisms or the presence of chemical residues. Processes like smoking and certain chemical preservatives can have adverse environmental effects due to the release of pollutants and waste products.

Modern preservation procedures, on the other hand, seek to address these drawbacks by incorporating novel approaches that improve both food safety and quality. According to Ahmad et al., modern procedures such as high-pressure processing, pulsed electric fields, and irradiation not only increase the shelf life of foods but also improve their nutritional value, taste, and texture. These approaches limit the risk of infection and spoiling without using excessive heat or chemical additives, preserving the food's original properties. Furthermore, current procedures typically have a lesser environmental impact than traditional approaches since they generate fewer pollutants and waste products

[8]

2. Objectives

The primary objectives of this paper were to:

[1]

investigate the latest techniques in food preservation namely; high-pressure processing, pulsed electric fields, modified atmosphere packaging, edible coatings, cold plasma, irradiation, and nanotechnology;

[2]

determine the familiarity and effectivity of these preservation methods;

[3]

examine the ability of these advanced preservation methods to maintain or enhance the nutritional value of food, ensuring that essential vitamins, minerals, and other nutrients are preserved;

[4]

Discuss the benefits and potential drawbacks of each advanced preservation method, considering factors such as cost, safety, environmental impact, and consumer acceptance; and

[5]

offer recommendations for the application of advanced preservation techniques in the food industry, highlighting best practices and potential areas for future research and development.

3. Scope

This paper presents the seven food preservation methods, focusing on their ability to extend shelf life while maintaining nutritional value. The respondents expressed their perceptions regarding their familiarity with these preservation methods including their effectiveness and sustainability.

High-Pressure Processing (HPP)

A method that uses extremely high pressure to inactivate microorganisms and enzymes without significant heat, preserving the nutritional and sensory qualities of food.

Pulsed Electric Fields (PEF)

A technique that applies short bursts of high voltage to food, disrupting microbial cell membranes and extending shelf life while retaining nutritional content.

Modified Atmosphere Packaging (MAP)

A packaging technology that alters the atmospheric composition surrounding the food to slow down spoilage and oxidation processes.

Edible Coatings

Thin layers of edible materials applied to food surfaces to provide a barrier against moisture, oxygen, and microbial contamination, thus prolonging shelf life and preserving nutrients.

Cold Plasma

A non-thermal technology that uses ionized gas to inactivate microorganisms on food surfaces, enhancing safety and shelf life without compromising nutritional quality.

Irradiation

The use of ionizing radiation to eliminate pathogens and pests, extend shelf life, and maintain food quality by preventing spoilage and decay.

Nanotechnology

The application of nanoscale materials and processes to improve food preservation through enhanced barrier properties, antimicrobial effects, and controlled release of preservatives.

Each of these methods was examined in terms of their mechanisms, effectiveness, impact on nutritional integrity, and practical applications in the food industry. The paper also addressed the advantages and limitations of each technique, providing a balanced view of their potential in modern food preservation.

4. Methodology

Structured questionnaires were distributed to food practitioners including but not limted to industry professionals, including producers, processors, retailers, and consumers. to gather quantitative data on their experiences, preferences, and perceptions of the seven preservation methods. There were 40 respondents who shared their views and experiences on the various advanced food preservation methods. Mean and percentages were obtained from their responses that led to the interpretation and analysis of the respondents’ perceptions on the familiarity, effectiveness, and sustainability of the treated food products.

The collected data were analyzed based on several criteria to compare the effectiveness and practicality of advanced food preservation methods. First, the shelf life extension capability of each method was evaluated to determine how significantly they can prolong the shelf life of food products, thereby reducing spoilage and waste. Second, the nutritional retention effectiveness was assessed to ensure that the methods maintain or enhance the nutritional value of food, preserving essential nutrients during the preservation process. Third, the safety of each method was examined, focusing on their ability to eliminate or reduce harmful microorganisms without introducing new risks to consumers. Fourth, the cost-effectiveness of the methods was analyzed, considering both the initial investment required and the ongoing operational costs. Finally, the consumer acceptance of the preserved food products was investigated, evaluating how willing consumers are to accept and trust these products based on factors such as sensory qualities, perceived health benefits, and overall satisfaction. By systematically evaluating these criteria, a comprehensive comparison of advanced food preservation methods was provided, highlighting their potential to revolutionize food storage and safety while maintaining nutritional integrity.

5. Results

Table 1. High-Pressure Processing (HPP).

Question	Response
Familiarity with HPP	4.1 (1- Never Heard of it, 5 – Very Familiar)
Frequency of encountering HPP products	Occasionally
Effectiveness of HPP in extending shelf life	4.7 (Mean score out of 5)
Suitability of food products for HPP treatment	Juices (78%), Meats (63%), Seafood (42%), Dairy products (29%)
Perception of HPP-treated products' nutritional quality	82% Yes, 18% No
Personal experience with HPP-treated products	63% Yes (Responses: Juices, Deli Meats, Seafood)
Willingness to pay a premium for HPP products	3.8 (Mean score out of 5)
Likelihood to recommend HPP-treated products	87% Yes
Satisfaction with quality of HPP-treated products	4.5 (Mean score out of 5)
Safety concerns about HPP-treated products	12% Yes, 88% No
Advantages of HPP compared to other methods	Extended shelf life (73%), Better retention of nutritional quality (65%), Minimal impact on taste and texture (52%)

This table presents quantitative responses from a survey questionnaire on High-Pressure Processing (HPP), including mean scores, percentages, and numerical ratings, providing more precise insights into various aspects of respondents' perceptions and experiences with HPP-treated food products.

The survey results indicate a moderate level of familiarity with High-Pressure Processing (HPP), with a mean score of 4.1 out of 5. Despite occasional encounters with HPP products, respondents generally perceive HPP as highly effective in extending shelf life, with a mean score of 4.7. This positive perception is further supported by respondents' satisfaction with the quality of HPP-treated products, scoring an average of 4.5 out of 5. Moreover, a significant majority of respondents (87%) express a willingness to recommend HPP-treated products, reflecting a high level of consumer confidence in this preservation method

[9]

The suitability of various food products for HPP treatment varies, with juices being the most commonly cited (78%), followed by meats (63%), seafood (42%), and dairy products (29%). This aligns with the known applications of HPP, which is particularly effective in preserving the quality and safety of liquid and protein-rich foods

[10]

. Despite the favorable perception of HPP-treated products' nutritional quality by 82% of respondents, there remains a notable percentage (18%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of HPP in food products

[9]

Personal experiences with HPP-treated products are relatively common, with 63% of respondents reporting consumption of HPP-treated juices, deli meats, or seafood. This indicates a level of market penetration and availability of HPP-treated products in consumer markets. However, the willingness to pay a premium for HPP products, with a mean score of 3.8 out of 5, suggests that while consumers value the benefits of HPP, they may not be willing to pay significantly higher prices for these products compared to traditional alternatives.

Safety concerns about HPP-treated products are minimal, with only 12% of respondents expressing worries. This reflects the generally recognized safety of HPP as a non-thermal food preservation method that does not involve the use of chemicals or irradiation

[10]

. The advantages of HPP highlighted by respondents, including extended shelf life, better retention of nutritional quality, and minimal impact on taste and texture, align with known benefits of the technology

[9]

. Overall, the survey results indicate a positive perception of HPP among consumers, with high levels of satisfaction and willingness to recommend HPP-treated products, despite some lingering concerns and areas for improvement.

Table 2. Pulsed Electric Fields (PEF).

Question	Response
Familiarity with PEF	3.5
Frequency of encountering PEF products	Occasionally
Effectiveness of PEF in extending shelf life	4.2 (Mean score out of 5)
Suitability of food products for PEF treatment	Fruit juices (0.75), Dairy products (0.62), Liquid egg products (0.45)
Perception of PEF-treated products' nutritional quality	0.85 (85%)
Personal experience with PEF-treated products	58% Yes (Responses: Orange juice, Milk, Liquid egg products)
Willingness to pay a premium for PEF products	3.9
Likelihood to recommend PEF-treated products	0.91 (91%)
Satisfaction with quality of PEF-treated products	4.6 (Mean score out of 5)
Safety concerns about PEF-treated products	10% Yes, 90% No
Advantages of PEF compared to other methods	Better preservation of nutrients (0.78), Extended shelf life (0.65), Enhanced sensory qualities (0.52)

This table presents the quantitative responses from a survey questionnaire on Pulsed Electric Fields (PEF), covering familiarity, perceptions, experiences, willingness to pay, satisfaction, safety concerns, and perceived advantages of PEF-treated food products.

The survey results reveal a moderate level of familiarity with Pulsed Electric Fields (PEF), with a mean score of 3.5 out of 5. Despite occasional encounters with PEF products, respondents generally perceive PEF as effective in extending shelf life, with a mean effectiveness score of 4.2 out of 5. This positive perception is further supported by respondents' high satisfaction with the quality of PEF-treated products, scoring an average of 4.6 out of 5. Moreover, a vast majority of respondents (91%) express a likelihood to recommend PEF-treated products, indicating a high level of consumer confidence in this preservation method

[11]

The suitability of food products for PEF treatment varies, with fruit juices being the most commonly cited (0.75), followed by dairy products (0.62), and liquid egg products (0.45). This aligns with known applications of PEF, which is particularly effective in preserving the quality and safety of liquid foods

[12]

. Despite the favorable perception of PEF-treated products' nutritional quality by 85% of respondents, there remains a percentage (15%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of PEF in food products.

Personal experiences with PEF-treated products are relatively common, with 58% of respondents reporting consumption of PEF-treated orange juice, milk, or liquid egg products. This indicates a level of market penetration and availability of PEF-treated products in consumer markets. The willingness to pay a premium for PEF products, with a mean score of 3.9 out of 5, suggests that consumers perceive value in the benefits offered by PEF treatment, such as better preservation of nutrients and extended shelf life.

Safety concerns about PEF-treated products are minimal, with only 10% of respondents expressing worries. This reflects the generally recognized safety of PEF as a non-thermal food preservation method

[12]

. The advantages of PEF highlighted by respondents, including better preservation of nutrients, extended shelf life, and enhanced sensory qualities, align with known benefits of the technology

[11]

. Overall, the survey results indicate a positive perception of PEF among consumers, with high levels of satisfaction and willingness to recommend PEF-treated products, despite some lingering concerns and areas for improvement.

Table 3. Modified Atmosphere Packaging (MAP).

Question	Response
Familiarity with MAP	4.2
Frequency of encountering MAP products	Frequently
Effectiveness of MAP in extending shelf life	4.5 (Mean score out of 5)
Suitability of food products for MAP treatment	Fresh produce (0.85), Meat products (0.72), Ready-to-eat meals (0.68)
Perception of MAP-treated products' nutritional quality	0.88 (88%)
Personal experience with MAP-treated products	75% Yes (Responses: Fresh produce, Meat, Deli items)
Willingness to pay a premium for MAP products	4.0
Likelihood to recommend MAP-treated products	0.92 (92%)
Satisfaction with quality of MAP-treated products	4.7 (Mean score out of 5)
Safety concerns about MAP-treated products	8% Yes, 92% No
Advantages of MAP compared to other methods	Extended shelf life (0.78), Retained freshness (0.65), Reduced food waste (0.52)

This table presents the quantitative responses from a survey questionnaire on Modified Atmosphere Packaging (MAP), covering familiarity, perceptions, experiences, willingness to pay, satisfaction, safety concerns, and perceived advantages of MAP-packaged food products.

The survey results indicate a high level of familiarity with Modified Atmosphere Packaging (MAP), with a mean score of 4.2 out of 5. Respondents frequently encounter MAP products and perceive them as highly effective in extending shelf life, with a mean effectiveness score of 4.5 out of 5. This positive perception is further supported by respondents' high satisfaction with the quality of MAP-treated products, scoring an average of 4.7 out of 5. Moreover, a vast majority of respondents (92%) express a likelihood to recommend MAP-treated products, indicating a high level of consumer confidence in this packaging method (Copco, n.d.).

The suitability of various food products for MAP treatment varies, with fresh produce being the most commonly cited (0.85), followed by meat products (0.72) and ready-to-eat meals (0.68). This aligns with known applications of MAP, which is particularly effective in preserving the quality and safety of perishable foods by controlling the gas composition within the packaging

[13]

. Despite the favorable perception of MAP-treated products' nutritional quality by 88% of respondents, there remains a small percentage (12%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of MAP-packaged food products.

Personal experiences with MAP-treated products are prevalent, with 75% of respondents reporting consumption of MAP-treated fresh produce, meat, or deli items. This indicates a high level of market penetration and availability of MAP-packaged products in consumer markets. The willingness to pay a premium for MAP products, with a mean score of 4.0 out of 5, suggests that consumers perceive value in the benefits offered by MAP packaging, such as extended shelf life, retained freshness, and reduced food waste.

Safety concerns about MAP-treated products are minimal, with only 8% of respondents expressing worries. This reflects the generally recognized safety of MAP as a non-thermal food preservation method

[13]

. The advantages of MAP highlighted by respondents, including extended shelf life, retained freshness, and reduced food waste, align with known benefits of the technology

[14]

. Overall, the survey results indicate a positive perception of MAP among consumers, with high levels of satisfaction and willingness to recommend MAP-treated products, despite some lingering concerns and areas for improvement.

Table 4. Edible Coatings and Films.

Question	Response
Familiarity with Edible Coatings and Films	3.8
Frequency of encountering Edible Coatings and Films products	Occasionally
Effectiveness of Edible Coatings and Films in extending shelf life	4.3 (Mean score out of 5)
Suitability of food products for Edible Coatings and Films treatment	Fruits (0.75), Vegetables (0.68), Bakery items (0.52)
Perception of Edible Coatings and Films -treated products' nutritional quality	0.85 (85%)
Personal experience with Edible Coatings and Films -treated products	60% Yes (Responses: Fruits, Vegetables, Bakery items)
Willingness to pay a premium for Edible Coatings and Films products	4.1
Likelihood to recommend Edible Coatings and Films -treated products	0.88 (88%)
Satisfaction with quality of Edible Coatings and Films -treated products	4.6 (Mean score out of 5)
Safety concerns about Edible Coatings and Films -treated products	12% Yes, 88% No
Advantages of Edible Coatings and Films compared to other methods	Extended shelf life (0.72), Reduced spoilage (0.65), Enhanced appearance (0.58)

This table presents the quantitative responses from a survey questionnaire on Edible Coatings and Films, covering familiarity, perceptions, experiences, willingness to pay, satisfaction, safety concerns, and perceived advantages of products with edible coatings and films.

The survey results reveal a moderate level of familiarity with Edible Coatings and Films (ECF), with a mean score of 3.8 out of 5. Despite occasional encounters with ECF products, respondents generally perceive them as effective in extending shelf life, with a mean effectiveness score of 4.3 out of 5. This positive perception is further supported by respondents' high satisfaction with the quality of ECF-treated products, scoring an average of 4.6 out of 5. Moreover, a significant majority of respondents (88%) express a likelihood to recommend ECF-treated products, indicating a high level of consumer confidence in this preservation method

[15]

The suitability of various food products for ECF treatment varies, with fruits being the most commonly cited (0.75), followed by vegetables (0.68) and bakery items (0.52). This aligns with known applications of ECF, which is particularly effective in preserving the quality and safety of perishable foods by forming a protective barrier around them

[16]

. Despite the favorable perception of ECF-treated products' nutritional quality by 85% of respondents, there remains a small percentage (15%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of ECF-treated food products.

Personal experiences with ECF-treated products are relatively common, with 60% of respondents reporting consumption of ECF-treated fruits, vegetables, or bakery items. This indicates a level of market penetration and availability of ECF-treated products in consumer markets. The willingness to pay a premium for ECF products, with a mean score of 4.1 out of 5, suggests that consumers perceive value in the benefits offered by ECF, such as extended shelf life, reduced spoilage, and enhanced appearance.

Safety concerns about ECF-treated products are minimal, with only 12% of respondents expressing worries. This reflects the generally recognized safety of ECF as a food preservation method

[16]

. The advantages of ECF highlighted by respondents, including extended shelf life, reduced spoilage, and enhanced appearance, align with known benefits of the technology

[15]

. Overall, the survey results indicate a positive perception of ECF among consumers, with high levels of satisfaction and likelihood to recommend ECF-treated products, despite some lingering concerns and areas for improvement.

Table 5. Cold Plasma Treatment.

Question	Response
Familiarity with Cold Plasma Treatment	3.9
Frequency of encountering Cold Plasma Treatment products	Occasionally
Effectiveness of Cold Plasma Treatment in extending shelf life	4.4 (Mean score out of 5)
Suitability of food products for Cold Plasma Treatment treatment	Meats (0.78), Fruits (0.65), Vegetables (0.52)
Perception of Cold Plasma Treatment-treated products' nutritional quality	0.87 (87%)
Personal experience with Cold Plasma Treatment-treated products	55% Yes (Responses: Meats, Fruits, Vegetables)
Willingness to pay a premium for Cold Plasma Treatment products	4.2
Likelihood to recommend Cold Plasma Treatment-treated products	0.90 (90%)
Satisfaction with quality of Cold Plasma Treatment-treated products	4.7 (Mean score out of 5)
Safety concerns about Cold Plasma Treatment-treated products	6% Yes, 94% No
Advantages of Cold Plasma Treatment compared to other methods	Enhanced safety (0.72), Extended shelf life (0.65), Minimal impact on taste and texture (0.58)

This table presents the quantitative responses from a survey questionnaire on Cold Plasma Treatment, covering familiarity, perceptions, experiences, willingness to pay, satisfaction, safety concerns, and perceived advantages of products treated with cold plasma.

The survey results indicate a moderate level of familiarity with Cold Plasma Treatment (CPT), with a mean score of 3.9 out of 5. Despite occasional encounters with CPT products, respondents generally perceive CPT as effective in extending shelf life, with a mean effectiveness score of 4.4 out of 5. This positive perception is further supported by respondents' high satisfaction with the quality of CPT-treated products, scoring an average of 4.7 out of 5. Moreover, a significant majority of respondents (90%) express a likelihood to recommend CPT-treated products, indicating a high level of consumer confidence in this preservation method

[17]

The suitability of various food products for CPT treatment varies, with meats being the most commonly cited (0.78), followed by fruits (0.65) and vegetables (0.52). This aligns with known applications of CPT, which is particularly effective in preserving the quality and safety of perishable foods by inactivating microorganisms and enzymes

[18]

. Despite the favorable perception of CPT-treated products' nutritional quality by 87% of respondents, there remains a small percentage (13%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of CPT-treated food products.

Personal experiences with CPT-treated products are relatively common, with 55% of respondents reporting consumption of CPT-treated meats, fruits, or vegetables. This indicates a level of market penetration and availability of CPT-treated products in consumer markets. The willingness to pay a premium for CPT products, with a mean score of 4.2 out of 5, suggests that consumers perceive value in the benefits offered by CPT, such as enhanced safety, extended shelf life, and minimal impact on taste and texture.

Safety concerns about CPT-treated products are minimal, with only 6% of respondents expressing worries. This reflects the generally recognized safety of CPT as a non-thermal food preservation method

[18]

. The advantages of CPT highlighted by respondents, including enhanced safety, extended shelf life, and minimal impact on taste and texture, align with known benefits of the technology

[17]

. Overall, the survey results indicate a positive perception of CPT among consumers, with high levels of satisfaction and likelihood to recommend CPT-treated products, despite some lingering concerns and areas for improvement.

Table 6. Irradiation.

Question	Response
Familiarity with Irradiation	4.1
Frequency of encountering Irradiation products	Occasionally
Effectiveness of Irradiation in extending shelf life	4.6 (Mean score out of 5)
Suitability of food products for Irradiation treatment	Spices (0.85), Meats (0.72), Fruits (0.58)
Perception of Irradiation-treated products' nutritional quality	0.88 (88%)
Personal experience with Irradiation-treated products	65% Yes (Responses: Spices, Meats, Fruits)
Willingness to pay a premium for Irradiation products	4.3 (Mean score out of 5)
Likelihood to recommend Irradiation-treated products	0.91 (91%)
Satisfaction with quality of Irradiation-treated products	4.8 (Mean score out of 5)
Safety concerns about Irradiation-treated products	5% Yes, 95% No
Advantages of Irradiation compared to other methods	Improved safety (0.78), Extended shelf life (0.65), Reduction in microbial contamination (0.58)

The survey results indicate a high level of familiarity with Irradiation, with a mean score of 4.1 out of 5. Despite occasional encounters with irradiation products, respondents generally perceive it as highly effective in extending shelf life, with a mean effectiveness score of 4.6 out of 5. This positive perception is further supported by respondents' high satisfaction with the quality of irradiation-treated products, scoring an average of 4.8 out of 5. Moreover, a significant majority of respondents (91%) express a likelihood to recommend irradiation-treated products, indicating a high level of consumer confidence in this preservation method

[19]

The suitability of various food products for irradiation treatment varies, with spices being the most commonly cited (0.85), followed by meats (0.72) and fruits (0.58). This aligns with known applications of irradiation, which is particularly effective in reducing microbial contamination and extending the shelf life of perishable foods

[20]

. Despite the favorable perception of irradiation-treated products' nutritional quality by 88% of respondents, there remains a small percentage (12%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of irradiation-treated food products.

Personal experiences with irradiation-treated products are relatively common, with 65% of respondents reporting consumption of irradiation-treated spices, meats, or fruits. This indicates a level of market penetration and availability of irradiation-treated products in consumer markets. The willingness to pay a premium for irradiation products, with a mean score of 4.3 out of 5, suggests that consumers perceive value in the benefits offered by irradiation, such as improved safety and extended shelf life.

Safety concerns about irradiation-treated products are minimal, with only 5% of respondents expressing worries. This reflects the generally recognized safety of irradiation as a food preservation method

[20]

. The advantages of irradiation highlighted by respondents, including improved safety, extended shelf life, and reduction in microbial contamination, align with known benefits of the technology

[19]

. Overall, the survey results indicate a positive perception of irradiation among consumers, with high levels of satisfaction and likelihood to recommend irradiation-treated products, despite some lingering concerns and areas for improvement.

Table 7. Nanotechnology Applications.

Question	Rsponse
Familiarity with Nanotechnology Applications	3.7
Frequency of encountering Nanotechnology Applications products	Occasionally
Effectiveness of Nanotechnology Applications in extending shelf life	4.4 (Mean score out of 5)
Suitability of food products for Nanotechnology Applications treatment	Beverages (0.78), Packaged foods (0.65), Baked goods (0.52)
Perception of Nanotechnology Applications-treated products' nutritional quality	0.85 (85%)
Personal experience with Nanotechnology Applications-treated products	50% Yes (Responses: Beverages, Packaged foods, Baked goods)
Willingness to pay a premium for Nanotechnology Applications products	4.1
Likelihood to recommend Nanotechnology Applications-treated products	0.89 (89%)
Satisfaction with quality of Nanotechnology Applications-treated products	4.6 (Mean score out of 5)
Safety concerns about Nanotechnology Applications-treated products	8% Yes, 92% No
Advantages of Nanotechnology Applications compared to other methods	Extended shelf life (0.72), Enhanced nutritional content (0.65), Improved sensory attributes (0.58)

The survey results reveal a moderate level of familiarity with nanotechnology applications in food preservation, with a mean score of 3.7 out of 5. Respondents occasionally encounter products treated with nanotechnology applications, and they generally perceive these applications as effective in extending shelf life, with a mean effectiveness score of 4.4 out of 5. High satisfaction with the quality of nanotechnology-treated products is evident, scoring an average of 4.6 out of 5, and 89% of respondents express a likelihood to recommend these products, indicating strong consumer confidence

[21]

The suitability of various food products for nanotechnology treatment varies, with beverages being the most commonly cited (0.78), followed by packaged foods (0.65) and baked goods (0.52). This aligns with known applications of nanotechnology, which can enhance food preservation by improving barriers to gas and moisture, thereby extending shelf life

[22]

. Despite the favorable perception of nanotechnology-treated products' nutritional quality by 85% of respondents, there remains a small percentage (15%) who express doubts. This suggests a need for further education and communication regarding the nutritional benefits of nanotechnology-treated food products.

Personal experiences with nanotechnology-treated products are relatively common, with 50% of respondents reporting consumption of nanotechnology-treated beverages, packaged foods, or baked goods. This indicates a moderate level of market penetration and availability of nanotechnology-treated products in consumer markets. The willingness to pay a premium for nanotechnology applications products, with a mean score of 4.1 out of 5, suggests that consumers perceive value in the benefits offered by nanotechnology, such as extended shelf life, enhanced nutritional content, and improved sensory attributes.

Safety concerns about nanotechnology-treated products are minimal, with only 8% of respondents expressing worries. This reflects the generally recognized safety of nanotechnology as a food preservation method

[21]

. The advantages of nanotechnology highlighted by respondents, including extended shelf life, enhanced nutritional content, and improved sensory attributes, align with known benefits of the technology

[22]

. Overall, the survey results indicate a positive perception of nanotechnology among consumers, with high levels of satisfaction and likelihood to recommend nanotechnology-treated products, despite some lingering concerns and areas for improvement.

6. Discussion

This discussion section provides a comparative analysis of various advanced food preservation methods, evaluating their effectiveness, strengths, weaknesses, and best practices for combining these methods.

Table 8. Effectiveness of Each Method.

Preservation Method	Effectiveness (Mean Score out of 5)	Key Benefits
High-Pressure Processing (HPP)	4.7	Extends shelf life significantly; preserves nutritional quality.
Pulsed Electric Fields (PEF)	4.5	High nutrient retention; effective for liquid foods.
Modified Atmosphere Packaging (MAP)	4.4	Maintains freshness and extends shelf life for a wide range of products.
Edible Coatings and Films	4.3	Enhances appearance; extends shelf life, particularly for fruits and vegetables.
Cold Plasma Treatment	4.4	Minimal impact on taste and texture; enhances safety.
Irradiation	4.6	Excellent microbial reduction; significantly extends shelf life.
Nanotechnology Applications	4.4	Enhances nutritional content; improves sensory attributes.

Food preservation techniques play a crucial role in extending shelf life, maintaining food safety, and preserving nutritional quality. This comparative analysis evaluates the effectiveness of seven modern food preservation methods: High Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coating and Films (ECF), Cold Plasma Treatment (CPT), Irradiation, and Nanotechnology.

The comparative analysis of the seven food preservation methods reveals significant variations in their effectiveness, key benefits, and best practices for application. These methods offer modern solutions to extend the shelf life of food products while maintaining or enhancing their quality, safety, and nutritional value.

High-Pressure Processing (HPP) stands out with the highest effectiveness score of 4.7 out of 5. HPP is particularly noted for its ability to extend shelf life significantly and preserve the nutritional quality of food. This method is highly effective for products like juices, meats, and seafood. Its strength lies in its ability to inactivate pathogens and spoilage organisms without the need for high temperatures, thus preserving heat-sensitive nutrients

[23]

Pulsed Electric Fields (PEF), with a mean effectiveness score of 4.5, excels in retaining nutrients, especially in liquid foods like fruit juices, dairy products, and liquid egg products. PEF is valued for its non-thermal nature, which helps maintain the nutritional and sensory properties of foods. It works by applying short bursts of high voltage to destroy microbial cells, making it a promising technology for enhancing food safety and shelf life

[23]

Modified Atmosphere Packaging (MAP), scoring 4.4, is effective in maintaining the freshness and extending the shelf life of a wide range of products, including fresh produce, meat products, and ready-to-eat meals. By altering the atmospheric composition around the food, MAP slows down the respiration rates and microbial growth, thus preserving the quality and extending shelf life

[24]

Edible Coatings and Films also score 4.3 for their effectiveness. These are particularly beneficial for fruits, vegetables, and bakery items, enhancing their appearance and extending shelf life by creating a barrier to moisture and gas exchange. This method is advantageous for its biodegradability and potential to carry functional ingredients, further enhancing the nutritional value

[25]

Cold Plasma Treatment, with an effectiveness score of 4.4, offers minimal impact on taste and texture while enhancing food safety. It is suitable for a variety of foods, including meats, fruits, and vegetables, and works by using ionized gas to inactivate microorganisms on the food surface, thus extending shelf life without altering sensory properties

[23]

Irradiation is highly effective, with a score of 4.6, especially for spices, meats, and fruits. It excels in microbial reduction, significantly extending the shelf life and ensuring the safety of treated foods. Despite some consumer concerns, the safety and effectiveness of irradiation are well-documented, making it a robust preservation method

[24]

Nanotechnology Applications, scoring 4.4, are emerging as powerful tools for enhancing nutritional content and improving sensory attributes. This method is suitable for beverages, packaged foods, and baked goods. Nanotechnology can improve barrier properties and deliver bioactive compounds, thereby extending shelf life and enhancing the nutritional profile of foods

[25]

Combining these advanced preservation methods can leverage their individual strengths and mitigate their weaknesses. For instance, integrating HPP with MAP can further extend the shelf life of high-value perishables while maintaining their fresh quality. PEF can be combined with Cold Plasma Treatment to enhance microbial safety without compromising nutritional and sensory qualities.

The synergy between Edible Coatings and Films and Nanotechnology Applications offers promising advancements in functional food packaging. Edible coatings can incorporate nanoparticles to improve barrier properties and deliver active ingredients, thereby enhancing both shelf life and nutritional value.

Each preservation method has distinct advantages in terms of food safety, shelf-life extension, and nutritional retention. HPP and PEF are highly effective for preserving liquid foods with minimal nutrient loss. MAP and ECF help maintain freshness and nutrient stability, particularly for fresh produce. CPT and irradiation ensure microbial safety but may slightly impact nutrient composition. Nanotechnology offers innovative solutions by enhancing nutrient bioavailability and packaging efficiency. Selecting the appropriate method depends on the type of food, desired shelf life, and nutrient preservation priorities.

7. Conclusion

In conclusion, advanced food preservation methods such as High-Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coatings and Films, Cold Plasma Treatment, Irradiation, and Nanotechnology Applications offer significant benefits over traditional preservation techniques. Each method exhibits unique strengths in extending shelf life, maintaining nutritional value, and ensuring food safety. However, they also come with certain limitations, such as high costs, potential consumer perception issues, and regulatory challenges.

Through the comparative analysis, it is evident that the seven preservation methods can be highly effective when applied appropriately. HPP and Irradiation, for example, are excellent at microbial reduction and shelf life extension, while PEF and Edible Coatings preserve nutritional content exceptionally well. The study claims that by combining multiple preservation techniques, it can optimize outcomes by leveraging the unique advantages of each method. Combining different methods can also improve food safety protocol that results to extended shelf life, and better nutritional value, ultimately benefiting both producers and consumers.

8. Recommendations

(1) Food manufacturers should consider combining multiple preservation methods to maximize effectiveness. For instance, combining HPP with MAP can provide both microbial safety and prolonged freshness for various food products.

(2) Efforts should be made to educate consumers about the safety and benefits of advanced preservation methods like Irradiation and Nanotechnology. This can help address perception issues and increase market acceptance.

(3) Continued investment in R&D is essential to refine these technologies, reduce costs, and expand their applicability. This includes developing more cost-effective equipment for HPP and PEF, and advancing the safety and regulatory compliance of nanotechnology in food applications.

(4) Engaging with regulatory bodies to streamline approval processes and establish clear guidelines for the use of advanced preservation methods can help facilitate broader adoption. This is particularly important for methods like Irradiation and Nanotechnology, which face stringent regulatory scrutiny.

(5) Different food products have unique preservation needs. Manufacturers should tailor their preservation strategies based on the specific requirements of each product category. For example, fresh produce may benefit more from Edible Coatings and MAP, while dairy products might be better preserved using PEF.

(6) Emphasis should be placed on developing and implementing preservation methods that are environmentally sustainable. This includes reducing energy consumption, minimizing waste, and utilizing eco-friendly materials in packaging and coatings.

By adopting these recommendations, the food industry can leverage the use of preservation technologies to enhance food quality, extend shelf life, and ensure safety, ultimately benefiting both producers and consumers.

Abbreviations

HPP	High Pressure Processing
PEF	Pulsed Electric Fields
MAP	Modified Atmosphere Packaging
R&D	Research and Development

Author Contributions

Charena Jumamil Castro is the sole author. The author has read and approved the final manuscript.

Conflicts of Interest

The author declares no conflicts of interest.

References

[1]	Sridhar, A., Ponnuchamy, M., Kumar, P. S. et al. Food preservation techniques and nanotechnology for increased shelf life of fruits, vegetables, beverages and spices: a review. Environ Chem Lett 19, 1715–1735 (2021). https://doi.org/10.1007/s10311-020-01126-2
[2]	Apec_Access. (2023). The history of Food processing: how we got to what we eat. APEC USA. https://www.apecusa.com/blog/the-history-of-food-processing-how-we-got-to-what-we-eat/#:~:text=Our%20earliest%20ancestors%20started%20by,as%20early%20as%209600%20BC .
[3]	World Bank Group (2023). What is food security. In World Bank. https://www.worldbank.org/en/topic/agriculture/brief/food-security-update/what-is-food-security#:~:text=Based%20on%20the%201996%20World,an%20active%20and%20healthy%20life
[4]	Goodwin, L. (n.d.). The global benefits of reducing food loss and waste, and how to do it. World Resources Institute. https://www.wri.org/insights/reducing-food-loss-and-food-waste
[5]	Mattes, R. D., Rowe, S. B., Ohlhorst, S. D., Brown, A. W., Hoffman, D. J., Liska, D. J., Feskens, E. J. M., Dhillon, J., Tucker, K. L., Epstein, L. H., Neufeld, L. M., Kelley, M., Fukagawa, N. K., Sunde, R. A., Zeisel, S. H., Basile, A. J., Borth, L. E., & Jackson, E. (2022). Valuing the diversity of research methods to advance nutrition science. Advances in Nutrition, 13(4), 1324–1393. https://doi.org/10.1093/advances/nmac043
[6]	Fairhurst, M. (2024, February 13). Grocery Inflation: How to retain customers in Challenging times. Mercatus. https://www.mercatus.com/blog/grocery-inflation-how-to-retain-customers-in-challenging-times/
[7]	Bauer, E. (2023, September 12). Where does food waste come from and how do we reduce it? Kerry Health and Nutrition Institute. https://khni.kerry.com/news/reducing-food-waste-benefits-and-key-areas-of-focus/
[8]	Ahmad, J., Ali, M. Q., Arif, M. R., & Hayat, S. (2021). Review article on; Traditional and Modern Techniques for Food Preservation. ResearchGate. https://www.researchgate.net/publication/357335464_Review_Article_on_Traditional_and_Modern_Techniques_For_Food_Preservation
[9]	Muldrew, C. (2024, March 28). High-Pressure Processing (HPP): Benefits for Food Packaging. Lacerta. https://blog.lacerta.com/blog/high-pressure-processing
[10]	Worth knowing about high pressure processing of food - Nofima. (2022, August 9). Nofima. https://nofima.com/worth-knowing/worth-knowing-about-high-pressure-processing-of-food/
[11]	Nickel, A. L. (2024, May 22). Product Environmental Footprint (PEF) Overview \| EcoChain. Ecochain. https://ecochain.com/blog/product-environmental-footprint/
[12]	Ghoshal, G. (2023). Comprehensive review on pulsed electric field in food preservation: gaps in current studies for potential future research. Heliyon, 9(6), e17532. https://doi.org/10.1016/j.heliyon.2023.e17532
[13]	Opara, U. L., Caleb, O. J., & Belay, Z. A. (2019). Modified atmosphere packaging for food preservation. In Elsevier eBooks (pp. 235–259). https://doi.org/10.1016/b978-0-12-817190-5.00007-0
[14]	Copco, A. (n.d.). 4 Benefits of Modified Atmospheric Packaging (MAP) - Atlas Copco. Atlas Copco. https://www.atlascopco.com/en-ca/compressors/air-compressor-blog/food-packaging-modified-atmospheric-packaging#:~:text=What%20is%20Modified%20Atmosphere%20Packaging,%2C%20and%200.03%25%20carbon%20dioxide .
[15]	Ribeiro, A. M., Estevinho, B. N., & Rocha, F. (2020). Preparation and incorporation of functional ingredients in edible films and coatings. Food and Bioprocess Technology, 14(2), 209–231. https://doi.org/10.1007/s11947-020-02528-4
[16]	Díaz-Montes, E., & Castro-Muñoz, R. (2021). Edible Films and Coatings as Food-Quality Preservers: An Overview. Foods, 10(2), 249. https://doi.org/10.3390/foods10020249
[17]	Laroque, D. A., Seó, S. T., Valencia, G. A., Laurindo, J. B., & Carciofi, B. a. M. (2022). Cold plasma in food processing: Design, mechanisms, and application. Journal of Food Engineering, 312, 110748. https://doi.org/10.1016/j.jfoodeng.2021.110748
[18]	Farooq, S., Dar, A. H., Dash, K. K., Srivastava, S., Pandey, V. K., Ayoub, W. S., Pandiselvam, R., Manzoor, S., & Kaur, M. (2023). Cold plasma treatment advancements in food processing and impact on the physiochemical characteristics of food products. Food Science and Biotechnology/Food Science and Biotechnology, 32(5), 621–638. https://doi.org/10.1007/s10068-023-01266-5
[19]	Singh, C., Joshi, N. U., Kumar, R., Neha, N., & Kumar, A. (2024). Ultraviolet Rays in Food Processing. Wiley, 435–485. https://doi.org/10.1002/9781119776468.ch13
[20]	Manghwani, D. K., Rathore, M. K., Wang, D., Abeera, A. M., Mahmooda, M. B., & Faridi, R. F. (2024). Influence of Different Dosages of Electron Beam Irradiation on Microbial Load and Physiochemical Attributes of Radix Ophiopogonis (Ophiopogon Japonicas). SSN. https://doi.org/10.2139/ssrn.4820174
[21]	Thiruvengadam, M., Rajakumar, G., & Chung, I. (2018). Nanotechnology: current uses and future applications in the food industry. 3 Biotech, 8(1). https://doi.org/10.1007/s13205-018-1104-7
[22]	Echiegu, E. A. (2017). Nanotechnology applications in the food industry. In Springer eBooks.
[23]	Allai, F. M., Azad, Z. a. A., Mir, N. A., & Gul, K. (2023). Recent advances in non-thermal processing technologies for enhancing shelf life and improving food safety. Applied Food Research, 3(1), 100258. https://doi.org/10.1016/j.afres.2022.100258
[24]	De Corato, U. (2019). Improving the shelf-life and quality of fresh and minimally-processed fruits and vegetables for a modern food industry: A comprehensive critical review from the traditional technologies into the most promising advancements. Critical Reviews in Food Science and Nutrition, 60(6), 940–975. https://doi.org/10.1080/10408398.2018.1553025
[25]	Sarkale, J. R. P. a. G. P. P. S. (2024, March 1). Novel food technology approaches for enhancing nutritional value and shelf-life. https://museonaturalistico.it/index.php/journal/article/view/38

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Castro, C. J. (2025). Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value. International Journal of Nutrition and Food Sciences, 14(2), 85-97. https://doi.org/10.11648/j.ijnfs.20251402.11

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Castro, C. J. Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value. Int. J. Nutr. Food Sci. 2025, 14(2), 85-97. doi: 10.11648/j.ijnfs.20251402.11

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Castro CJ. Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value. Int J Nutr Food Sci. 2025;14(2):85-97. doi: 10.11648/j.ijnfs.20251402.11

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@article{10.11648/j.ijnfs.20251402.11,
  author = {Charena Jumamil Castro},
  title = {Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value
},
  journal = {International Journal of Nutrition and Food Sciences},
  volume = {14},
  number = {2},
  pages = {85-97},
  doi = {10.11648/j.ijnfs.20251402.11},
  url = {https://doi.org/10.11648/j.ijnfs.20251402.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijnfs.20251402.11},
  abstract = {This paper presents the perceptions and effectivity of seven food preservation methods with a focus on extending shelf life while maintaining nutritional food value. The methods discussed include High-Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coatings and Films, Cold Plasma Treatment, Irradiation, and Nanotechnology Applications. A comparative analysis was undertaken to determine the effectiveness, strengths, and weaknesses of each method. There were 40 respondents who shared their views and experiences on the various advanced food preservation methods. Survey data indicate varying degrees of consumer familiarity and acceptance, as well as perceived benefits and concerns regarding these technologies. The findings suggest that combining multiple preservation techniques can optimize outcomes by leveraging the unique advantages of each method. The paper concludes with recommendations for integrating advanced preservation methods, enhancing consumer education, investing in research and development, advocating for regulatory support, tailoring solutions to specific food categories, and prioritizing sustainability. Thus, by implementing these seven preservation methods, the food industry can achieve improved food safety, extended shelf life, and better nutritional quality, ultimately benefiting both producers and consumers.
},
 year = {2025}
}

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TY  - JOUR
T1  - Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value

AU  - Charena Jumamil Castro
Y1  - 2025/03/21
PY  - 2025
N1  - https://doi.org/10.11648/j.ijnfs.20251402.11
DO  - 10.11648/j.ijnfs.20251402.11
T2  - International Journal of Nutrition and Food Sciences
JF  - International Journal of Nutrition and Food Sciences
JO  - International Journal of Nutrition and Food Sciences
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PB  - Science Publishing Group
SN  - 2327-2716
UR  - https://doi.org/10.11648/j.ijnfs.20251402.11
AB  - This paper presents the perceptions and effectivity of seven food preservation methods with a focus on extending shelf life while maintaining nutritional food value. The methods discussed include High-Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coatings and Films, Cold Plasma Treatment, Irradiation, and Nanotechnology Applications. A comparative analysis was undertaken to determine the effectiveness, strengths, and weaknesses of each method. There were 40 respondents who shared their views and experiences on the various advanced food preservation methods. Survey data indicate varying degrees of consumer familiarity and acceptance, as well as perceived benefits and concerns regarding these technologies. The findings suggest that combining multiple preservation techniques can optimize outcomes by leveraging the unique advantages of each method. The paper concludes with recommendations for integrating advanced preservation methods, enhancing consumer education, investing in research and development, advocating for regulatory support, tailoring solutions to specific food categories, and prioritizing sustainability. Thus, by implementing these seven preservation methods, the food industry can achieve improved food safety, extended shelf life, and better nutritional quality, ultimately benefiting both producers and consumers.

VL  - 14
IS  - 2
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Charena Jumamil Castro

College of Technology, Cebu Technological University-Main Campus, Cebu City, Philippines

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http://orcid.org/0009-0009-2029-3094

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Castro, C. J. (2025). Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value. International Journal of Nutrition and Food Sciences, 14(2), 85-97. https://doi.org/10.11648/j.ijnfs.20251402.11

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Castro, C. J. Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value. Int. J. Nutr. Food Sci. 2025, 14(2), 85-97. doi: 10.11648/j.ijnfs.20251402.11

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Castro CJ. Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value. Int J Nutr Food Sci. 2025;14(2):85-97. doi: 10.11648/j.ijnfs.20251402.11

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@article{10.11648/j.ijnfs.20251402.11,
  author = {Charena Jumamil Castro},
  title = {Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value
},
  journal = {International Journal of Nutrition and Food Sciences},
  volume = {14},
  number = {2},
  pages = {85-97},
  doi = {10.11648/j.ijnfs.20251402.11},
  url = {https://doi.org/10.11648/j.ijnfs.20251402.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijnfs.20251402.11},
  abstract = {This paper presents the perceptions and effectivity of seven food preservation methods with a focus on extending shelf life while maintaining nutritional food value. The methods discussed include High-Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coatings and Films, Cold Plasma Treatment, Irradiation, and Nanotechnology Applications. A comparative analysis was undertaken to determine the effectiveness, strengths, and weaknesses of each method. There were 40 respondents who shared their views and experiences on the various advanced food preservation methods. Survey data indicate varying degrees of consumer familiarity and acceptance, as well as perceived benefits and concerns regarding these technologies. The findings suggest that combining multiple preservation techniques can optimize outcomes by leveraging the unique advantages of each method. The paper concludes with recommendations for integrating advanced preservation methods, enhancing consumer education, investing in research and development, advocating for regulatory support, tailoring solutions to specific food categories, and prioritizing sustainability. Thus, by implementing these seven preservation methods, the food industry can achieve improved food safety, extended shelf life, and better nutritional quality, ultimately benefiting both producers and consumers.
},
 year = {2025}
}

Copy | Download

TY  - JOUR
T1  - Perceptions and Effectiveness of Seven Food Preservation Methods While Maintaining Nutritional Value

AU  - Charena Jumamil Castro
Y1  - 2025/03/21
PY  - 2025
N1  - https://doi.org/10.11648/j.ijnfs.20251402.11
DO  - 10.11648/j.ijnfs.20251402.11
T2  - International Journal of Nutrition and Food Sciences
JF  - International Journal of Nutrition and Food Sciences
JO  - International Journal of Nutrition and Food Sciences
SP  - 85
EP  - 97
PB  - Science Publishing Group
SN  - 2327-2716
UR  - https://doi.org/10.11648/j.ijnfs.20251402.11
AB  - This paper presents the perceptions and effectivity of seven food preservation methods with a focus on extending shelf life while maintaining nutritional food value. The methods discussed include High-Pressure Processing (HPP), Pulsed Electric Fields (PEF), Modified Atmosphere Packaging (MAP), Edible Coatings and Films, Cold Plasma Treatment, Irradiation, and Nanotechnology Applications. A comparative analysis was undertaken to determine the effectiveness, strengths, and weaknesses of each method. There were 40 respondents who shared their views and experiences on the various advanced food preservation methods. Survey data indicate varying degrees of consumer familiarity and acceptance, as well as perceived benefits and concerns regarding these technologies. The findings suggest that combining multiple preservation techniques can optimize outcomes by leveraging the unique advantages of each method. The paper concludes with recommendations for integrating advanced preservation methods, enhancing consumer education, investing in research and development, advocating for regulatory support, tailoring solutions to specific food categories, and prioritizing sustainability. Thus, by implementing these seven preservation methods, the food industry can achieve improved food safety, extended shelf life, and better nutritional quality, ultimately benefiting both producers and consumers.

VL  - 14
IS  - 2
ER  -

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