Effect of Conventional and Novel Food Processing on Structure and Physicochemical Properties of Foodstuffs: 2nd Edition

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

Deadline for manuscript submissions: closed (31 December 2024) | Viewed by 4176

Special Issue Editors

Wine Research Center, Faculty of Land and Food Systems, The University of British Columbia, 2205 East Mall, Vancouver, BC V6T 1Z4, Canada
Interests: chromatography-mass spectrometry; metabolomics; analytical chemistry; bioactivity; flavor; consumer perception
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Guest Editor
Faculty of Land and Food Systems (LFS), University of British Columbia, Vancouver Campus 213-2205 East Mall, Vancouver, BC V6T 1Z4, Canada
Interests: novel food processing; pulsed light; agitation thermal processing; high pressure processing; microwave-vacuum dehydration; food encapsulation; nanoemulsions; novel drug delivery
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Special Issue Information

Dear Colleagues,

Food processing involves a wide range of techniques that transform raw foods and ingredients into new products. While some food processing techniques such as fermentation and baking have been practiced for millennia, the use of cutting-edge, emerging technologies like extrusion, freeze-drying, or encapsulation is spurring modern-day innovations in a bid to produce healthy and functional foods. Food processing offers multiple benefits to both the industry and consumers due to the introduction of a more varied food supply, improved nutritional quality and flavour, enhanced food safety, and longer shelf lives. Additionally, novel processing and packaging technologies are facilitating the design of foodstuffs for convenient consumption, such as ready-to-eat meals in flexible microwavable packaging. Freezing and drying techniques have also been demonstrated to help reduce food waste, leading to a decrease in the overall cost while improving sustainability. Nevertheless, understanding the impact of these processing techniques on food structure and physicochemical properties is of utmost importance to guarantee nutritional quality, to increase the bioaccessibility/bioavailability of bioactive compounds such as polyphenols, and to lower the amount of additives such as excess salts, sweeteners, available carbohydrates, or artificial preservatives. Health and sustainability are the drivers of the modern era in food processing research and the food industry.

Dr. Joana Pico
Dr. Anubhav Pratap Singh
Guest Editors

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Keywords

  • food processing
  • food structure
  • proteins
  • starch
  • fiber
  • bioactivity
  • fermentation
  • freeze-drying
  • extrusion
  • novel emerging technologies
 

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Published Papers (2 papers)

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Research

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17 pages, 4191 KiB  
Article
Effect of Ultrasonic Treatment on Taste and Flavor Quality of Japonica Rice
by Kaiqing Lian, Lina Guan, Min Zhang, Guodong Ye and Sixuan Li
Foods 2025, 14(9), 1627; https://doi.org/10.3390/foods14091627 - 4 May 2025
Abstract
The aim of this study was to investigate the effect of ultrasound treatment on the texture and flavor quality of Japonica rice to provide a basis for the development of a staple food product for the treatment of diabetes mellitus. The texture and [...] Read more.
The aim of this study was to investigate the effect of ultrasound treatment on the texture and flavor quality of Japonica rice to provide a basis for the development of a staple food product for the treatment of diabetes mellitus. The texture and flavor qualities of cooked rice were analyzed using a texture analyzer, rapid viscosity analyzer (RVA), and gas chromatography–mass spectrometry (GC-MS). The results showed that with increased ultrasound treatment time, the hardness and chewiness of the cooked rice gradually increased, while adhesion decreased. Additionally, the ultrasound treatment reduced various viscosity parameters of rice during the pasting process, inhibiting paste expansion and regrowth. Key aroma compounds influencing the aroma of cooked rice before and after ultrasound treatment included hexanal, heptanal, 2-pentylfuran, octanal, nonanal, trans-2-octenal, decanal, undecanal, trans-2-nonanal, trans-2-dodecenal, trans-2-decenal, trans-2,4-decadienal, 2-pentadecanone, and indole. The odor activity value (OAV) of these compounds increased significantly and were greater than one after ultrasound treatment. These compounds play a role in composing the unique aroma of cooked rice and contribute to sweet, floral, and nutty aromas. In conclusion, ultrasound treatment can be used to increase the content of resistant starch in cooked rice and has a positive effect on the flavor quality of cooked rice. Full article
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Review

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23 pages, 2401 KiB  
Review
Research Progress on Tofu Coagulants and Their Coagulation Mechanisms
by Yuhan Geng, Xin Du, Rui Jia, Yi Zhu, Yuhao Lu, Xiangfei Guan, Yuehan Hu, Xinyu Zhu and Minlian Zhang
Foods 2024, 13(21), 3475; https://doi.org/10.3390/foods13213475 - 30 Oct 2024
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Abstract
Tofu has captivated researchers’ attention due to its distinctive texture and enrichment in nutritional elements, predominantly soybean protein. Coagulants play a critical role in promoting coagulation during tofu production, directly influencing its texture, quality, and physicochemical characteristics. Currently, the impact of coagulant characteristics [...] Read more.
Tofu has captivated researchers’ attention due to its distinctive texture and enrichment in nutritional elements, predominantly soybean protein. Coagulants play a critical role in promoting coagulation during tofu production, directly influencing its texture, quality, and physicochemical characteristics. Currently, the impact of coagulant characteristics on coagulation, as well as the underlying mechanisms, remain unclear. This review provides a summary of research progress on salt coagulants, acid coagulants, enzyme coagulants, novel coagulants, polysaccharide additives, and various coagulant formulations. The coagulation mechanisms of various coagulants are also discussed. Accordingly, this paper seeks to offer reliable theoretical guidance for the development of novel coagulants and the realization of fully automated tofu production. Full article
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