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Food Proteins from Animals and Plants: Structure, Functionality and Applications

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

Deadline for manuscript submissions: 25 July 2024 | Viewed by 2999

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Special Issue Editors

Dr. Jing Wang

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Guest Editor

Institute of Food and Nutrition Development, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: food innovation; food function; dual-protein

Dr. Xiaoye He

E-Mail Website
Guest Editor

Institute of Food and Nutrition Development, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: dual-protein; high pressure processing; emulsion; physicochemical properties; structure

Special Issue Information

Dear Colleagues,

Protein is a kind of organic compound with a complex chemical structure, and it is an essential nutrient for the human body. Protein is one of the important components of the human body, as all its cells and tissues contain protein. It has been proved that the birth, existence, and extinction of life are all related to protein. Protein is the material basis of life, and there would be no life without protein.

The intake of dietary protein is the basis of evaluating human nutritional status, and a certain amount of high-quality protein should be ensured in dietary protein. Processing technology impacts protein. The application of some emerging technologies, such as ultrasound, high-pressure, microwave, and pulsed electric field in non-thermal processing technology, can reduce the impact of processing technology on protein and maintain its original nutritional value to the greatest extent. In addition, people's awareness of health is growing. Now, it has become a hot spot to discuss the nutritional functional characteristics of high-quality diet protein and the research and application of new nutritious and healthy food.

Dr. Jing Wang
Dr. Xiaoye He
Guest Editors

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.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

protein
dietary protein
dual-protein
structure
nutrition
function
application

Published Papers (3 papers)

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Research

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17 pages, 7232 KiB

Open AccessArticle

Dynamic In Vitro Gastric Digestion Behaviour of Commercial Infant Formulae Made with Cow, Goat and Sheep Milk

by Xuan Song, Xin Wang, Mengxiao Yang, Alejandra Acevedo-Fani, Harjinder Singh and Aiqian Ye

Foods 2024, 13(9), 1286; https://doi.org/10.3390/foods13091286 - 23 Apr 2024

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Abstract

There are a wide range of commercial infant formulae available on the market. These are made using milk from different species, such as goat, sheep, and cow. The different protein compositions of these milks and the process used during infant-formulae manufacture, such as heat treatment, may impact the digestion of nutrients. This study compared the effect of protein composition and heat treatment on the in vitro gastric digestion behaviour of commercial infant formulae made with cow, goat, and sheep milk using a dynamic infant human gastric simulator (IHGS). During the simulated dynamic gastric digestion, the goat milk infant formula (GIF) showed earlier signs of aggregate formation compared to cow milk infant formula (CIF) and sheep milk infant formula (SIF). In addition, the microstructures of GIF chyme showed fragmented and porous structures. On the contrary, CIF formed dense protein networks that trapped oil droplets, whereas SIF exhibited a microstructure of smooth oil droplets surrounded by fewer protein networks. The different aggregation behaviours and aggregate structures of the three infant-formulae chyme were related to their different protein compositions, especially the different casein compositions. Furthermore, the open fragile structure of GIF aggregates provided easier access to pepsin, allowing it to hydrolyse protein. The results from the present study provided some information to assist in understanding the coagulation and digestion behaviours of commercial infant formulae made from different species of milk. Full article

(This article belongs to the Special Issue Food Proteins from Animals and Plants: Structure, Functionality and Applications)

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20 pages, 8520 KiB

Open AccessArticle

The Effect of High Pressure Homogenization on the Structure of Dual-Protein and Its Emulsion Functional Properties

by Meishan Wu, Xiaoye He, Duo Feng, Hu Li, Di Han, Qingye Li, Boya Zhao, Na Li, Tianxin Liu and Jing Wang

Foods 2023, 12(18), 3358; https://doi.org/10.3390/foods12183358 - 07 Sep 2023

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Abstract

It has been proven that high-pressure homogenization (HPH) could improve the functional properties of proteins by modifying their structure. This study researched the effect of HPH on the structural and functional properties of whey-soy dual-protein (Soy Protein Isolation-Whey Protein Isolation, SPI-WPI). Different protein solution samples were treated with HPH at 30, 60, 90, 120 and 150 MPa, and the structure changed under different pressures was analyzed by measuring particle size, zeta potential, Fourier infrared spectrum (FTIR), fluorescence spectrum and scanning electron microscope (SEM). The results showed that HPH significantly reduced the particle size of SPI-WPI, changed the secondary and tertiary structures and improved the hydrophobic interaction between molecules. In addition, HPH significantly improved the solubility and emulsification of all proteins, and the improvement effect on SPI-WPI was significantly better than SPI and WPI. It was found that SPI-WPI treated with 60 MPa had the best physicochemical properties. Secondly, we researched the effect of HPH by 60 MPa on the emulsion properties of SPI-WPI. In this study, the SPI-WPI had the lowest surface tension compared to a single protein after HPH treatment. The emulsion droplet size was obviously decreased, and the elastic properties and physical stability of SPI-WPI emulsion were significantly enhanced. In conclusion, this study will provide a theoretical basis for the application of HPH in modifying the structure of dual-protein to improve its development and utilization in liquid specialty food. Full article

(This article belongs to the Special Issue Food Proteins from Animals and Plants: Structure, Functionality and Applications)

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Review

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15 pages, 2160 KiB

Open AccessReview

Research Progress on New Functions of Animal and Plant Proteins

by Hao Duan, Gaigai Liu, Duo Feng, Zhuoye Wang and Wenjie Yan

Foods 2024, 13(8), 1223; https://doi.org/10.3390/foods13081223 - 17 Apr 2024

Viewed by 629

Abstract

Protein is composed of peptides, essential nutrients for human survival and health, and the easy absorption of peptides further promotes human health. According to the source of the protein, it can be divided into plants, animals, and micro-organisms, which have important physiological effects on the health of the body, especially in enhancing immunity. The most widely used raw materials are animal protein and plant protein, and the protein composition formed by the two in a certain proportion is called “double protein”. In recent years, China’s State Administration for Market Regulation has issued an announcement on the “Implementation Rules for the Technical Evaluation of New Functions and Products of Health Foods (Trial)”, which provides application conditions and listing protection for the research and development of new functions of health foods. At present, some researchers and enterprises have begun to pay attention to the potential of animal and plant proteins to be used in new functions. In this article, the research progress of animal and plant proteins in the new functions of Chinese health food is reviewed in detail, and suggestions for future research on animal and plant proteins are put forward. Full article

(This article belongs to the Special Issue Food Proteins from Animals and Plants: Structure, Functionality and Applications)

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