Innovative Food Proteins and Polyphenols: Mechanisms, Functional Properties, and Sustainable Processing

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

Deadline for manuscript submissions: closed (29 April 2025) | Viewed by 1776

Special Issue Editors


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Guest Editor
Department of Food Science and Technology, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China
Interests: meat products; frozen meat; thawed drip; myofibrillar proteins; protein denaturation; protein oxidation; gelation; cryoprotection; meat microbiology; freshness; shelf-life
Special Issues, Collections and Topics in MDPI journals
School of Food and Health, Beijing Technology and Business University, Beijing, China
Interests: meat; meat processing; flavor; livestock by-product
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This issue focuses on the emerging role of proteins and polyphenols in enhancing food systems. Proteins contribute to food texture, nutrition, and stability, while polyphenols offer antioxidant, antimicrobial, and health-promoting properties. The interactions between these components significantly impact functionality, influencing bioavailability, microbial resistance, and overall food quality. This issue delves into the underlying mechanisms of these interactions and their implications for processing properties such as texture, stability, and preservation.

Highlighted topics include machine learning (ML) and artificial intelligence (AI) applications in food processing, novel packaging technologies, and smart materials that monitor protein-polyphenol interactions, providing cutting-edge tools for optimizing food quality and stability. A dedicated section addresses sustainable, eco-friendly processing, featuring green extraction methods for proteins and polyphenols, energy reduction in processing, and by-product waste valorization, which are essential steps toward a more sustainable food industry. This issue also emphasizes the value of cross-disciplinary collaborations in nanotechnology, bioengineering, and functional foods. Innovative delivery systems, such as nanoencapsulation for bioactive polyphenols and proteins, offer ways to enhance both nutritional impact and shelf life. By integrating insights from molecular, biochemical, and technological perspectives, this issue aims to deepen our understanding of the roles of proteins and polyphenols, driving the development of healthier, more functional, and sustainable food products.

Dr. Yuemei Zhang
Dr. Ying Wang
Guest Editors

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Keywords

  • food protein
  • food polyphenols
  • ood functionality
  • food processing properties
  • fermentation
  • antioxidant activity
  • food preservation

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Published Papers (1 paper)

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Research

17 pages, 3264 KiB  
Article
Differential Enzymatic Hydrolysis: A Study on Its Impact on Soy Protein Structure, Function, and Soy Milk Powder Properties
by Qian Li, Baoyue Chang, Guo Huang, Di Wang, Yue Gao, Zhijun Fan, Hongbo Sun and Xiaonan Sui
Foods 2025, 14(5), 906; https://doi.org/10.3390/foods14050906 - 6 Mar 2025
Viewed by 1545
Abstract
Protein constitutes the primary nutrient in soy, and its modifications are intricately linked to the properties of the soy milk powder. This study employed six main commercial enzymes (bromelain, neutrase, papain, trypsin, flavourzyme, and alcalase) to investigate the impact of enzymatic hydrolysis on [...] Read more.
Protein constitutes the primary nutrient in soy, and its modifications are intricately linked to the properties of the soy milk powder. This study employed six main commercial enzymes (bromelain, neutrase, papain, trypsin, flavourzyme, and alcalase) to investigate the impact of enzymatic hydrolysis on the structural and functional properties of soy protein isolate (SPI), as well as its influence on the physicochemical properties of soy milk powder. The findings indicated that each of enzymes exhibits distinct specificity, with the degree of hydrolysis following the order: alcalase > flavourzyme > papain > bromelain > neutrase > trypsin. Enzymatic hydrolysis facilitates the unfolding of SPI, leading to the exposure of chromogenic fluorophores and hydrophobic amino acid residues, which in turn promotes an increase in free sulfhydryl content. Concurrently, this process induces the transformation of α-helix and β-sheet into β-turn and random coil. The enzyme modification enhances the solubility, emulsification, and foaming activities of SPI and significantly augment its antioxidant properties (p < 0.05). However, this enzymatic treatment adversely affects the stability of its emulsification and foaming properties. Subsequent to enzymatic hydrolysis, soy milk powder demonstrated a reduction in particle size and an improvement in solubility, which significantly enhanced its flavor profile. In summary, alcalase offers substantial advantages in augmenting the functional properties of SPI and increasing the solubility of soy milk powder. However, this process adversely affects the flavor profile of soy milk powder, a consequence attributed to the broad hydrolysis specificity of alcalase. Full article
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