High-Value-Added Utilization of Food and Food By-Products

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Food Process Engineering".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 905

Special Issue Editors


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Guest Editor
Department of Food Sciences, National Chiayi University, Chiayi City 600355, Taiwan
Interests: value-added by-products; novel product development; resistant starch processing

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Guest Editor Assistant
School of Food, Jiangsu Food and Pharmaceutical Science College, Huai'an 223003, China
Interests: food processing; food chemistry; food science

Special Issue Information

Dear Colleagues,

The high-value-added utilization of food and its by-products has contributed to economic and environmental benefits while simultaneously playing a crucial role in ensuring the quality, safety, and reduction in associated food waste. Implementing this value-added strategy is crucial, particularly in facilitating waste conversion into valuable resources, optimizing resource utilization, and promoting the development of a circular and ecological economy. In addition, it serves as a key to achieving environmental protection, economic growth, and reaching the UN's Sustainable Development Goals (SDGs).

This Special Issue on the “High-Value-Added Utilization of Food and Food By-Products” seeks high-quality works focusing on effectively mitigating food waste, enhancing the value-added utilization of food and waste management.

Topics include, but are not limited to, the following:

Relevant applications of food by-products and food waste encompass various sources, including agricultural food (fruits and vegetables), dairy products, animal-derived items, fish, seafood, microbial fermentation products, etc. The scope of application encompasses the extraction of bioactive compounds, the incorporation of food additives, the development of edible coatings, the utilization of adsorbents, the production of bio-packaging materials and nanoparticles, the implementation of bioremediation agents and biofertilizers, the conversion of energy sources, as well as the recycling of other valuable compounds.

Dr. Wen-Chang Chang
Guest Editor

Dr. Ping-Hsiu Huang
Guest Editor Assistant

Manuscript Submission Information

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Keywords

  • nutraceutical compounds
  • vegetable and fruit by-products
  • circular bioeconomy
  • eco-efficiency
  • food wastage
  • novel methodologies
  • food safety
  • sustainability
  • traceability
  • waste fermentation
  • product valorize

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Published Papers (1 paper)

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Research

15 pages, 6188 KiB  
Article
Effect of Collagen Peptide and Polysaccharide Combination on Astringency Elimination, Appearance, and Syneresis in Persimmon Paste
by Yoko Tsurunaga
Processes 2025, 13(2), 438; https://doi.org/10.3390/pr13020438 - 6 Feb 2025
Viewed by 538
Abstract
Astringency in persimmon fruit is often eliminated by treatment with gaseous carbon dioxide, dry ice, or alcohol. However, these methods are time-consuming and labor-intensive, and astringency may recur after heat treatment. In this study, a method for easily reducing astringency was investigated by [...] Read more.
Astringency in persimmon fruit is often eliminated by treatment with gaseous carbon dioxide, dry ice, or alcohol. However, these methods are time-consuming and labor-intensive, and astringency may recur after heat treatment. In this study, a method for easily reducing astringency was investigated by taking advantage of the benefits of combining proteins and polysaccharides. In the first experiment, the protein materials with strong astringency-reducing effects were screened from among 15 protein-rich foods using astringent persimmon juice (APJ), and collagen peptides were found to be highly effective. However, syneresis was observed when 1% collagen peptide powder was added to the astringent persimmon paste (AP). Therefore, in the second experiment, 0.5% collagen peptides (protein) were applied to reduce heating-induced astringency and reversion and 0.5% polysaccharides (guar, and xanthan gums) to maintain color and suppress syneresis. The results demonstrate that the combination of collagen peptide and polysaccharides is optimal for removing astringency in persimmon, inhibiting its recurrence by heating, and maintaining product quality. The results of this study may reduce the labor required for the astringency removal process, broaden the uses of AP, and facilitate the effective utilization of discarded astringent persimmons that do not meet the standards. Full article
(This article belongs to the Special Issue High-Value-Added Utilization of Food and Food By-Products)
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