Journal of Food Technology and Preservation

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Perspective - Journal of Food Technology and Preservation (2024) Volume 8, Issue 1

Antioxidants in food processing: Strategies for retaining nutritional quality.

Zai-Qun Liu*

Department of Organic Chemistry, Jilin University, Changchun, China

*Corresponding Author:
Zai-Qun Liu
Department of Organic Chemistry
Jilin University
Changchun, China

Received: 26-Dec-2023, Manuscript No. AAFTP-23-124592; Editor assigned: 29-Dec-2023, PreQC No. AAFTP-23-124592 (PQ); Reviewed: 08-Jan-2023, QC No. AAFTP-23-124592; Revised: 17-Jan-2023, Manuscript No. AAFTP-23-124592 (R); Published: 25-Jan-2023, DOI:10.35841/2591-796X-8.1.217

Citation: Liu Z. Antioxidants in food processing: Strategies for retaining nutritional quality. J Food Technol Pres. 2024;8(1):217

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In the fast-paced world of modern food processing, where efficiency and shelf life are paramount, the challenge lies in preserving not only the taste and texture of food products but also their nutritional quality. Antioxidants have emerged as crucial players in this domain, offering a solution to the oxidative processes that can degrade the nutritional content of foods. This article explores the strategies employed in food processing to retain nutritional quality through the integration of antioxidants. Understanding antioxidants in food processing: Antioxidants are compounds that inhibit or neutralize the harmful effects of oxidative reactions. In the context of food processing, oxidative reactions can lead to the degradation of essential nutrients, such as vitamins, minerals, and phytochemicals, in addition to causing changes in flavor, color, and texture. By incorporating antioxidants into the food processing stage, manufacturers aim to mitigate these negative effects and ensure that the final product maintains its nutritional integrity [1,2].

Strategies for retaining nutritional quality: Selection of raw materials: The journey to preserving nutritional quality begins with the careful selection of raw materials. Choosing fresh and high-quality ingredients that are naturally rich in antioxidants is the first line of defense. Fruits, vegetables, nuts, and whole grains are examples of ingredients that not only contribute to the nutritional content of the final product but also bring natural antioxidants to the formulation. Gentle processing methods: The choice of processing methods significantly influences the retention of nutritional quality. Gentle processing methods, such as minimal heat exposure, low-pressure techniques, and vacuum sealing, help preserve the sensitive vitamins and antioxidants in food. High-temperature processing can lead to the degradation of heat-sensitive nutrients, so adopting methods that minimize thermal impact is crucial [3,4].

Cold extraction techniques: Cold extraction methods, such as cold-pressing for oils and juices, are gaining popularity in the food industry. Unlike traditional extraction processes that involve heat, cold extraction minimizes the degradation of antioxidants and other bioactive compounds. This strategy is particularly relevant in the production of oils, where maintaining the original composition of fatty acids and antioxidants is essential for both taste and health benefits. Natural antioxidant additives: In addition to selecting antioxidant-rich raw materials, food processors can incorporate natural antioxidant additives into formulations. Herbs and spices, such as rosemary extract, green tea extract, and oregano extract, contain potent antioxidants that not only contribute to the flavor profile of the product but also act as natural preservatives, extending shelf life while preserving nutritional quality [5,6].

Microencapsulation technology: Microencapsulation involves enclosing active ingredients, such as antioxidants, in a protective coating. This technology offers several advantages in food processing, including the controlled release of antioxidants during storage or cooking. By encapsulating antioxidants, manufacturers can ensure their stability, prevent degradation, and enhance their effectiveness in preserving the nutritional quality of the final product. Selective packaging materials- The choice of packaging materials can significantly impact the preservation of nutritional quality. Oxygen and light are known contributors to oxidative reactions in foods, leading to nutrient degradation. Selective packaging materials that block out light and oxygen help maintain the freshness of the product and prevent the breakdown of sensitive nutrients [7,8].

PH control in processing: PH levels play a crucial role in the stability of antioxidants. Controlling the ph during processing can help retain the efficacy of antioxidants. For example, vitamin c (ascorbic acid), a common antioxidant, is more stable in slightly acidic conditions. Therefore, adjusting the ph of formulations can contribute to the overall retention of nutritional quality. Reformulation with fortified ingredients- Manufacturers can proactively enhance the nutritional quality of processed foods by reformulating existing products with fortified ingredients. This may involve incorporating antioxidant-rich superfoods, such as chia seeds, quinoa, or goji berries, into cereal bars, snacks, or baked goods. This not only boosts the antioxidant content but also adds diversity to the nutrient profile [9].

Benefits of antioxidant integration in food processing: Preservation of vitamins and minerals: Antioxidants act as guardians of essential vitamins and minerals that are susceptible to degradation during food processing. For instance, vitamin c, vitamin e, and certain minerals like selenium are particularly vulnerable to oxidative stress. Integrating antioxidants helps preserve these essential nutrients, ensuring that the final product retains its nutritional value. Color and flavor retention: Oxidative reactions not only affect nutritional content but also contribute to changes in color and flavor. Antioxidants play a crucial role in maintaining the visual appeal and taste of food products by preventing the oxidation of pigments and flavor compounds. This is especially important in the production of beverages, fruit juices, and processed fruits [10].


  1. Rummo PE, Guilkey DK, Ng SW. Beyond supermarkets: Food outlet location selection in four US cities over time. Am J prev med. 2017;52(3):300-10.
  2. Indexed at, Google Scholar, Cross Ref

  3. Fraser LK, Edwards KL, Tominitz M. Food outlet availability, deprivation and obesity in a multi-ethnic sample of pregnant women in Bradford, UK. Soc Sci Med. 2012;75(6):1048-56.
  4. Indexed at, Google Scholar, Cross Ref


  5. Al?Delaimy KH, Barakat MM. Antimicrobial and preservative activity of garlic on fresh ground camel meat: I.- Effect of fresh ground garlic segments. J Sci Food Agric. 1971;22(2):96-8.
  6. Indexed at, Google Scholar, Cross Ref

  7. Rattanachaikunsopon P, Phumkhachorn P. Synergistic antimicrobial effect of nisin and ρ-cymene on Salmonella enterica serovar typhi in vitro and on ready-to-eat food. Biosci Biotechnol Biochem. 2010;74(3):520-4.
  8. Indexed at, Google Scholar, Cross Ref

  9. Benkerroum N. Traditional fermented foods of North African countries: technology and food safety challenges with regard to microbiological risks. Compr Rev Food Sci Food Saf. 2013;12(1):54-89.
  10. Google Scholar, Cross Ref

  11. Natabirwa H, Nakimbugwe D, Lungaho M. Bean?based nutrient?enriched puffed snacks: Formulation design, functional evaluation, and optimization. Food Sci Nutr. 2020;8(9):4763-72.
  12. Indexed at, Google Scholar, Cross Ref

  13. Singla M, Sit N. Application of ultrasound in combination with other technologies in food processing: A review. Ultrason Sonochem. 2021;73:105506.
  14. Indexed at, Google Scholar, Cross Ref

  15. Jenno JL, Noor N, Mushtaq M, et al. Ultrasonics as a tool for development of pine-needle extract loaded bee wax edible packaging for value addition of Himalayan cheese. Ultrason Sonochem. 2022:105914.
  16. Indexed at, Google Scholar, Cross Ref

  17. Bounie D, Arcot J, Cole M. The role of food science and technology in humanitarian response. Trends Food Sci Technol. 2020;103:367-75.
  18. Indexed at, Google Scholar, Cross Ref

  19. Akande OA, Nakimbugwe D, Mukisa IM. Optimization of extrusion conditions for the production of instant grain amaranth?based porridge flour. Food Sci Nutr. 2017;5(6):1205-14.
  20. Indexed at, Google Scholar, Cross Ref

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