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Antioxidants
Special Issues
Bioactive Antioxidants from Agri-Food Wastes
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Bioactive Antioxidants from Agri-Food Wastes

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "Natural and Synthetic Antioxidants".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1123

Special Issue Editors

Dr. Mia Kurek

E-Mail Website
Guest Editor
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia
Interests: active food packaging; intelligent sensors; antioxidant; smart packaging; barrier properties; shelf-life; food–packaging interaction; waste reduction; biopolymers; recyclability; eco-impact; bioactive compounds
Special Issues, Collections and Topics in MDPI journals
Dr. Sabina Galus

E-Mail Website
Guest Editor
Department of Food Engineering and Process Management, Warsaw University of Life Sciences, Warsaw, Poland
Interests: food packaging; edible films and coatings; active packaging; intelligent packaging; smart packaging
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the field of sustainable agriculture and food production, the management of agri-food wastes presents both a challenge and an opportunity. With the growing awareness of environmental sustainability and the pressing need to utilize resources efficiently, there is a burgeoning interest in unlocking the potential of agri-food byproducts. Among the complicated components within these wastes, bioactive antioxidants stand out for their potential to revolutionize various industries, including pharmaceuticals, cosmetics, and functional foods.

This Special Issue aims to delve into the realm of bioactive antioxidants derived from agri-food wastes, particularly emphasizing their applications in the food industry. We will explore important topics, such as additives and packaging aimed at prolonging shelf life, as well as other relevant areas to maximize the utilization of these antioxidants. By addressing these facets, we aim to foster collaboration among researchers, industry experts, and policymakers to drive the transition towards a more sustainable and resource-efficient future.

Dr. Mia Kurek
Dr. Sabina Galus
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Antioxidants is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • agri-food byproducts
  • waste
  • food industry
  • additives
  • packaging

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Published Papers (1 paper)

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Research

12 pages, 3407 KiB  
Article
Apple Pomace as a Potential Source of Oxidative Stress-Protecting Dihydrochalcones
by Ibrahim Rabeeah, Viktoria Gruber-Schmidt, Helen Murray, Negin Afsharzadeh, Renate Paltram, Silvija Marinovic, Hassan Zia, Olly Sanny Hutabarat, Mikko Hofsommer, Ana Slatnar, Christopher Schlosser, Karl Stich, Heidi Halbwirth, Manfred Gössinger and Christian Haselmair-Gosch
Antioxidants 2024, 13(10), 1159; https://doi.org/10.3390/antiox13101159 - 25 Sep 2024
Viewed by 785
Abstract
Among fruits, the apple is unique for producing large amounts of the dihydrochalcone phloridzin, which, together with phloretin, its aglycone, is valuable to the pharmaceutical and food industries for its antidiabetic, antioxidant, and anticarcinogenic properties, as well as its use as a sweetener. [...] Read more.
Among fruits, the apple is unique for producing large amounts of the dihydrochalcone phloridzin, which, together with phloretin, its aglycone, is valuable to the pharmaceutical and food industries for its antidiabetic, antioxidant, and anticarcinogenic properties, as well as its use as a sweetener. We analysed the phloridzin concentration, total phenolic content, and antioxidant activity in the peel, flesh, seeds, juice, and pomace of 13 international and local apple varieties. In the unprocessed fruit, the seeds had the highest phloridzin content, while the highest total phenolic contents were mostly found in the peel. In processed samples, phloridzin and the total phenolic compounds especially were higher mostly in juice than in pomace. Moreover, the total phenolic content was much higher than the phloridzin content. Juice showed the highest antioxidant activity, followed by the peel and flesh. Across all samples, antioxidant activity did not directly correlate with phloridzin concentrations, suggesting that the antioxidant activity ascribed to phloridzin may need re-evaluation. In the Ferric Reducing Antioxidant Power (FRAP) assay, phloridzin only showed antioxidant activity at high concentrations when compared to its aglycone, phloretin. Considering the large amounts of apple juice produced by the juice industry, residual pomace is a promising source of phloridzin. For technical use, processing this phloridzin to phloretin would be advantageous. Full article
(This article belongs to the Special Issue Bioactive Antioxidants from Agri-Food Wastes)
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