Antioxidant Compounds in Food Processing

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Food Science and Technology".

Deadline for manuscript submissions: 20 August 2024 | Viewed by 1512

Special Issue Editors


E-Mail Website
Guest Editor
Department of Agricultural and Food Sciences, University of Bologna, 47521 Cesena, Italy
Interests: antioxidant compounds; food lipids; characterization of bioactive compounds; analytical methods; oxidative stability

E-Mail Website
Guest Editor
Department of Agricultural and Food Sciences, University of Bologna, 47521 Cesena, Italy
Interests: antioxidant compounds; food lipids; characterization of bioactive compounds; analytical methods; oxidative stability

Special Issue Information

Dear Colleagues,

Antioxidant compounds play a pivotal role in food processing as they preserve the quality, nutritional value, and shelf life of various food products. These compounds, such as vitamin C, vitamin E, carotenoids, and polyphenols, counteract the detrimental effects of oxidative processes, which can lead to food rancidity, color changes, and nutrient degradation.

Through their ability to neutralize free radicals and inhibit oxidation reactions, antioxidants help to maintain the sensory attributes and extend the stability of processed foods. Additionally, they contribute to promoting consumer health by reducing the risk of chronic diseases associated with oxidative stress.

The influence of food processing on antioxidant compounds is a dynamic interplay that can impact the content, stability, and bioavailability of these components in foods. While processing techniques like heating, drying, and storage may lead to the degradation of certain antioxidants, they can also enhance the availability of others, such as lycopene in tomatoes, by breaking down cell walls and releasing bound antioxidants. Additionally, innovative processing methods can concentrate or preserve antioxidant compounds, thereby boosting their levels or improving their stability in processed foods.

This Special Issue will be dedicated to new perspectives regarding antioxidant compounds throughout the food production process and the influence of antioxidant compounds in food processing.

Dr. Silvia Marzocchi
Prof. Maria Caboni
Guest Editors

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Keywords

  • antioxidant compounds
  • health properties of food
  • food processing
  • oxidative stability
  • analytical chemistry

Published Papers (2 papers)

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Review

26 pages, 3626 KiB  
Review
Bioactive Compounds, Health Benefits and Food Applications of Artichoke (Cynara scolymus L.) and Artichoke By-Products: A Review
by Pablo Ayuso, Jhazmin Quizhpe, María de los Ángeles Rosell, Rocío Peñalver and Gema Nieto
Appl. Sci. 2024, 14(11), 4940; https://doi.org/10.3390/app14114940 - 6 Jun 2024
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Abstract
Cynara scolymus L. is an herbaceous plant originally from the western Mediterranean area, with Italy, Spain and France the main being producers. Both the edible flowering head and the by-products generated during processing (outer bracts, leaves and stem) are characterized by a high [...] Read more.
Cynara scolymus L. is an herbaceous plant originally from the western Mediterranean area, with Italy, Spain and France the main being producers. Both the edible flowering head and the by-products generated during processing (outer bracts, leaves and stem) are characterized by a high content of essential vitamins, minerals and bioactive compounds. In particular, the leaves represent a great source of phenolic acids derived from caffeoylquinic acid or flavonoids such as luteonin and apigenin, while the head and stem contain a high content of soluble and insoluble dietary fiber, especially inulin and pectins. Its high content of bioactive compounds provides artichoke a high antioxidant power due to the modulation effect of the transcription factor Nrf2, which may lead to protection against cardiovascular, hepatic and neurological disorders. The potential use of artichoke as a functional ingredient in the food industry may be promising in terms of improving the nutritional value of products, as well as preventing oxidation and extending the shelf-life of processed foods due to its antimicrobial activity. This review aims to provide an overview of the nutritional qualities of Cynara scolymus L. and its by-products, focusing on the possible health effects and potential applications in food products as a higher-value-added alternative ingredient. Full article
(This article belongs to the Special Issue Antioxidant Compounds in Food Processing)
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36 pages, 3345 KiB  
Review
Application of Natural Edible Coating to Enhance the Shelf Life of Red Fruits and Their Bioactive Content
by Michele Pellegrino, Jasper Okoro Godwin Elechi, Pierluigi Plastina and Monica Rosa Loizzo
Appl. Sci. 2024, 14(11), 4552; https://doi.org/10.3390/app14114552 - 25 May 2024
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Abstract
Red fruits contain bioactive substances including phenolic acids and flavonoids, which provide many health advantages for the human body. Industries find them intriguing because of their color and their ability to prevent chronic ailments such as metabolic, degenerative, and cardiovascular disorders. Nevertheless, the [...] Read more.
Red fruits contain bioactive substances including phenolic acids and flavonoids, which provide many health advantages for the human body. Industries find them intriguing because of their color and their ability to prevent chronic ailments such as metabolic, degenerative, and cardiovascular disorders. Nevertheless, the resilience of these organic molecules is influenced by several environmental, physical, and chemical phenomena. Therefore, the beneficial health properties of red fruits may diminish during postharvest processing. In this scenario, many postharvest methods have been implemented to enhance the shelf life and preserve the bioactive components of red fruits. The objectives of this review were to provide a comprehensive assessment of the health benefits of red fruits, and to explore the possibilities of edible coatings in retaining their freshness and protecting their bioactive contents. Co-occurrence networks were built using VOSviewer software to produce a two-dimensional map based on term frequency, and the examination of the 1364 keywords obtained from the scientific papers revealed the presence of at least 71 co-occurrences that provide insight into many natural components used in edible coatings for red fruits, such as proteins, polysaccharides, lipids, phospholipids, and minerals. The review examined their composition, functioning, application techniques, limits, safety considerations, legal regulations, and potential future developments. This review has shown that an edible coating may act as a protective layer on the surface of the fruit, alter the interior gas composition, reduce water loss, and postpone fruit ripening, thereby enhancing the health-promoting properties. Full article
(This article belongs to the Special Issue Antioxidant Compounds in Food Processing)
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