Innovative Processing Technologies and Their Impact on the Physicochemical and Sensory Properties of Fruits and Fruit By-Products

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

Deadline for manuscript submissions: 30 November 2025 | Viewed by 592

Special Issue Editors


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Guest Editor
Department of Food Technology of Plant Origin, Faculty of Food Science and Nutrition, Poznan University of Life Sciences, Poznan, Poland
Interests: chemistry of plant-based raw materials; technology of fruit and vegetable products; bioactive compounds in plant foods; minimally processed and functional food; non-thermal processing technologies; diffusion processes in food matrices

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Guest Editor
Department of Food Technology of Plant Origin, Faculty of Food Science and Nutrition, Poznan University of Life Sciences, Poznan, Poland
Interests: analysis and technology of fruits and vegetables; physicochemical and health-promoting properties of fruits and vegetables and their products; application of mechanical vibrations in model fruit transport systems; fruit storage capacity; restructured fruit and vegetable products

Special Issue Information

Dear Colleagues,

The processing of fruits and their by-products plays a pivotal role in determining the quality, stability, and acceptability of final food products.Fruits are rich in nutrients, phytochemicals, and volatile compounds, yet their structure and composition are highly sensitive to thermal, mechanical, enzymatic, and other processing techniques.

These processes can lead to significant transformations in texture, flavor, nutritional value, and shelf life.

At the same time, fruit by-products—such as peels, pomace, and seeds—are increasingly recognized as valuable raw materials due to their high content of dietary fiber, antioxidants, and functional compounds. Incorporating these by-products into new food formulations aligns with the principles of sustainability and circular economy.

This Special Issue of Foods invites the submission of original research articles, systematic reviews, and short communications that explore the effects of processing on the physicochemical, nutritional, and sensory properties of fruits and their derived by-products. Contributions that investigate both conventional and innovative processing techniques are welcome.

Dr. Róża Biegańska-Marecik
Dr. Dorota Walkowiak-Tomczak
Guest Editors

Manuscript Submission Information

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Keywords

  • fruit processing technologies
  • physicochemical properties of fruits
  • sensory analysis of processed fruits
  • fruit by-product valorization
  • bioactive compounds in fruits
  • sustainable food processing
  • thermal and non-thermal processing
  • functional ingredients
  • consumer perception of fruit products

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Published Papers (1 paper)

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Research

15 pages, 1505 KiB  
Article
The Effects of UV-LED Technology on the Quality of Ready-to-Eat Pomegranates: Epigenetic Indicators and Metabolomic Analysis
by Aihemaitijiang Aihaiti, Yuanpeng Li, Xinmeng Huang, Yuting Yang, Ailikemu Mulati and Jiayi Wang
Foods 2025, 14(13), 2192; https://doi.org/10.3390/foods14132192 - 23 Jun 2025
Viewed by 149
Abstract
Pomegranates are rich in nutrients and classified among ready-to-eat fruits and vegetables. Although this ready-to-eat produce offers convenience, it presents risks associated with pathogenic microorganisms, highlighting the need for pre-sale disinfection. Ultraviolet light-emitting diodes (UV-LEDs) constitute an innovative non-thermal processing technology for food [...] Read more.
Pomegranates are rich in nutrients and classified among ready-to-eat fruits and vegetables. Although this ready-to-eat produce offers convenience, it presents risks associated with pathogenic microorganisms, highlighting the need for pre-sale disinfection. Ultraviolet light-emitting diodes (UV-LEDs) constitute an innovative non-thermal processing technology for food products, offering reduced heat generation and lower energy consumption compared to traditional ultraviolet (UV) irradiation methods. This study analyzed the effects of UV-LED technology on pomegranate seed quality over 0 to 5 days of storage. The results demonstrated significant increases in anthocyanins, polyphenols, ascorbic acid, and the antioxidant capacity in pomegranate following treatment, peaking on day 3. In contrast, the control group showed declining trends. After treatment, the aerobic mesophilic counts and counts of mold and yeast levels during storage measured between 2.73–3.23 log CFU/g and 2.56–3.29 log CFU/g, respectively, significantly lower than the control group. Non-targeted metabolomic analysis showed that UV-LED treatment prompted modifications in the biosynthetic pathways of flavonoids, flavonols, and anthocyanins. The expression of peonidin-3-O-rutinoside chloride increased by 46.46-fold within the anthocyanin biosynthesis pathway. In conclusion, UV-LED treatment represents a potential approach to the disinfection of ready-to-eat fruits and vegetables. Full article
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