Gels for Plant-Based Food Applications (2nd Edition)

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 677

Special Issue Editors


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Guest Editor
Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Interests: plant protein; functional properties; gel structural analysis; gel processing methods
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Interests: plant protein; extrusion technology; gel structural analysis; plant-based foods
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plant-based foods are foods made from raw plant materials (including algae and fungi) or their products, as sources of protein, fat, etc., through a certain process. They may contain other ingredients with a similar texture, flavor, morphology, and quality characteristics to some animal-derived foods. Globally, consumers are becoming increasingly interested in plant-based foods for health, improved nutrition, environmental sustainability, and animal welfare reasons. From 2017 to 2019, the sale of plant-based foods grew by nearly 29%, and their market value reached about USD 4.98 billion. Recently, many commercial products have been developed, including plant-based meat products, dairy products, egg products, frozen drinks and ingredients, and other plant-based foods. Gels are polymeric materials that combine large amounts of water, air, or oil in their 3D networks and are widely used in food production. Gels made from proteins, polysaccharides, and lipids play a significant role in the quality improvement of plant-based foods. A comprehensive exploration of the network structure, gelation mechanism, and design of gels in plant-based foods is needed to construct plant-based foods with particular physicochemical, functional, and sensory properties. Thus, this Special Issue focuses on “Gels for Plant-based Food Applications”, including a wide range of gel processing methods, structural analyses, and property characterizations; plant-based food application; low- and high-moisture extrusion technology; shear cell technology; self-assembly; spinning (wet-spinning and electrospinning); and freeze-casting.

Prof. Dr. Qiang Wang
Dr. Jinchuang Zhang
Guest Editors

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Keywords

  • proteins
  • polysaccharides
  • lipids
  • gel structural analysis
  • gel properties characterization
  • characterization methods
  • extrusion technology (especially high-moisture extrusion)
  • plant-based foods
  • quality improvement

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Published Papers (1 paper)

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Research

20 pages, 3157 KB  
Article
Enhancement of Foaming Performance of Oat Globulin by Limited Enzymatic Hydrolysis: A Study from the Viewpoint of the Structural and Functional Properties
by Yahui Zhu, Junlong Zhang, Xuedong Gu, Pengjie Wang, Yang Liu, Yingze Jiao, Lin Yang and Han Chen
Gels 2025, 11(8), 615; https://doi.org/10.3390/gels11080615 - 6 Aug 2025
Viewed by 328
Abstract
This study identified the optimal enzymatic treatment for improving the foaming characteristics of oat globulin, and alkaline protease was found to be the most effective enzyme. The impact of alkaline protease on the foaming properties and structural changes in oat globulin was explored. [...] Read more.
This study identified the optimal enzymatic treatment for improving the foaming characteristics of oat globulin, and alkaline protease was found to be the most effective enzyme. The impact of alkaline protease on the foaming properties and structural changes in oat globulin was explored. The results show that the foaming capacity of oat globulin hydrolysates is negatively correlated with surface hydrophobicity and positively correlated with the degree of hydrolysis. The results of circular dichroism (CD) and size-exclusion chromatography (SEC) indicate that hydrolysis generated smaller, disordered peptides. Under equilibrium conditions at a 2% concentration, a reduction of 1.62 mN/m in surface tension and an increase of 3.82 μm in foam film thickness were observed. These peptides reduce surface tension between air and water, forming larger, thicker, and more stable foams. Compared to untreated oat globulin, the foaming capacity of hydrolyzed ones increased by 87.17%. Under comparable conditions, these findings demonstrate that limited hydrolyzed oat globulin exhibits potential as an effective plant-based foaming agent up to a degree of hydrolysis of 15.06%. Full article
(This article belongs to the Special Issue Gels for Plant-Based Food Applications (2nd Edition))
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