Innovative Preservation Techniques of Fruits and Vegetables or Their Processed Products: Strategies for Safety and Quality Maintenance

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Packaging and Preservation".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 426

Special Issue Editor


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Guest Editor
College of Food Science, Southwest University, Chongqing, China
Interests: fruits and vegetables; disease control; preservation
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Special Issue Information

Dear Colleagues,

Fruits and vegetables or their processed products (e.g., fresh-cut products, frozen products, canned products, dried products, juices and drinks, and pickled and fermented products) are indispensable and widely consumed foods. With increasing concern around food safety and quality, innovative preservation techniques for fruits, vegetables, and their processed products have been developed and applied.

In this Special Issue, we invite submissions on the latest research findings and technological advancements in innovative preservation methods which can improve the safety and quality of fruits, vegetables, and their processed products. Physical, chemical, or biological preservation techniques will be considered, including irradiation, plasma treatment, physical waves, photonic technologies, high-voltage electrostatic fields, ultra-high pressure, high/low temperatures, packaging, green chemistry techniques, essential oils, plant extracts, amino acids, bioactive peptides, bacteriocins, organic acids, electrolytic water, ozonated water, active microorganisms, etc. We will pay particular attention to the efficacy of these technologies in extending shelf life, reducing microbial contamination, and maintaining color and texture. Research articles, review articles, and short communications are all welcome.

Dr. Lanhua Yi
Guest Editor

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.

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Keywords

  • fruits and vegetables
  • processed products of fruits and vegetables
  • preservation techniques
  • microbial contamination
  • quality maintenance

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Published Papers (1 paper)

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Research

18 pages, 4030 KiB  
Article
The Cyclic Peptide Cyclo-zp80r Controls Salmonella enterica and Listeria monocytogenes Replication in Non-Concentrated (NFC) Orange Juice: Antibacterial Effects and Mechanisms of Action
by Zhouxia Wang, Ping Zeng, Jinhui Lu, Sharon Shui Yee Leung and Lanhua Yi
Foods 2025, 14(14), 2506; https://doi.org/10.3390/foods14142506 - 17 Jul 2025
Viewed by 273
Abstract
The market for non-concentrated (NFC) orange juice is increasing rapidly due to consumer demand for nutrients and flavor. However, it encounters challenges in microbial safety, particularly from Salmonella enterica and Listeria monocytogenes. This study aimed to exploit a bio-preservative for NFC orange juice. [...] Read more.
The market for non-concentrated (NFC) orange juice is increasing rapidly due to consumer demand for nutrients and flavor. However, it encounters challenges in microbial safety, particularly from Salmonella enterica and Listeria monocytogenes. This study aimed to exploit a bio-preservative for NFC orange juice. Results showed that the cyclic peptide cyclo-zp80r had good antibacterial activity, with minimum inhibitory concentration values of 2–8 μM against S. enterica and L. monocytogenes. It exhibited bactericidal action against S. enterica and bacteriostatic action against L. monocytogenes at a concentration of 128 μM. This study explored the effect of cyclo-zp80r on the pathogenicity of S. enterica and L. monocytogenes. The mortality rate of Galleria mellonella exposed to these pathogens in NFC orange juice decreased from 100% to 60% after cyclo-zp80r treatment, surpassing the effectiveness of nisin. Cyclo-zp80r exhibited depolarization effects on S. enterica and L. monocytogenes. It increased outer membrane permeability and damaged the membrane structure of S. enterica. Cyclo-zp80r also caused distinct morphological changes, mainly cell collapse in S. enterica and localized bubble-like protrusions in L. monocytogenes. It induced reactive oxygen species production and DNA binding. The species diversity and abundance in NFC orange juice were also reduced by cyclo-zp80r, particularly in the genera Pantoea, Aeromonas, Pseudomonas, and Erwinia. Additionally, cyclo-zp80r exhibited excellent stability at high temperature (121 °C, 5 min) and in fresh orange juice. These results suggest that cyclo-zp80r could be developed as an effective food bio-preservative. Full article
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