Food-Derived Functional Proteins/Peptides: Discovery, Activity Evaluation and Protection, Ingredients Production Technology and Application

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

Deadline for manuscript submissions: closed (10 February 2024) | Viewed by 4721

Special Issue Editor


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Guest Editor
National Marine Food Engineering Technology Research Center, Dalian Polytechnic University, Dalian, China
Interests: foods; intestinal microbes; bioconversion of food resources; food-derived protein (peptide); food function and nutrition
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

At present, the discovery of various food-derived proteins (peptides) from animal sources, plant sources, marine sources, and microbial sources, their activity evaluation, and food product creation continue to attract attention. Of particular interest are their immune-enhancing functions, antioxidant function, auxiliary improvement of memory function, sleep function, relief of physical fatigue, regulation of body fat, improvement of bone density, and maintenance of blood lipids, blood sugar, blood pressure and levels of other aspects of healthy blood.

In this Special Issue, original research articles and reviews are welcome. We sincerely invite you to submit your comments on the topic of "Food-Derived Functional Proteins/Peptides: Discovery, Activity Evaluation and Protection, Ingredients Production Technology and Application".

Potential topics include but are not limited to the following:

  1. Development of new functional proteins and active protein peptides
  2. Structure-activity relationship of functional proteins (peptides)
  3. Digestive properties, absorption and bioavailability and its molecular mechanism of action
  4. Product development and quality control of food-derived proteins (peptides)

Prof. Dr. Songyi Lin
Guest Editor

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Keywords

  • food-derived proteins (peptides)
  • activity evaluation
  • activity protection
  • ingredients production technology

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Published Papers (2 papers)

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Research

14 pages, 3359 KiB  
Article
High Fischer Ratio Oligopeptides of Gluten Alleviate Alcohol-Induced Liver Damage by Regulating Lipid Metabolism and Oxidative Stress in Rats
by Penghui Zhao, Yinchen Hou, Xinyang Chen, Mingyi Zhang, Zheyuan Hu, Lishui Chen and Jihong Huang
Foods 2024, 13(3), 436; https://doi.org/10.3390/foods13030436 - 29 Jan 2024
Cited by 3 | Viewed by 2025
Abstract
High Fischer ratio oligopeptides (HFOs) exhibit diverse biological activities, including anti-inflammatory and antioxidant properties. HFOs from gluten origin were prepared through fermentation and enzymatic hydrolysis and then characterized using free amino acid analysis and scanning electron microscopy (SEM). Following intervention, the levels of [...] Read more.
High Fischer ratio oligopeptides (HFOs) exhibit diverse biological activities, including anti-inflammatory and antioxidant properties. HFOs from gluten origin were prepared through fermentation and enzymatic hydrolysis and then characterized using free amino acid analysis and scanning electron microscopy (SEM). Following intervention, the levels of serum total cholesterol (TC), triglyceride (TG), alanine aminotransferase (ALT), aspartate aminotransferase (AST), and hepatic malondialdehyde (MDA) in the rats significantly decreased (p < 0.05). Simultaneously, there was an increasing trend in superoxide dismutase (SOD) levels, and glutathione (GSH) levels were significantly elevated (p < 0.05). The mRNA expression levels of alcohol metabolism-related genes (ADH4, ALDH2, and CYP2E1) exhibited a significant increase (p < 0.05). Histological examination revealed a reduction in liver damage. The findings indicate that high Fischer ratio oligopeptides, prepared through enzymatic and fermentation methods, significantly improve lipid levels, ameliorate lipid metabolism disorders, and mitigate oxidative stress, and exhibit a discernible alleviating effect on alcoholic liver injury in rats. Full article
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17 pages, 3618 KiB  
Article
Analysis of the Differentially Expressed Proteins in Donkey Milk in Different Lactation Stages
by Miaomiao Zhou, Fei Huang, Xinyi Du, Guiqin Liu and Changfa Wang
Foods 2023, 12(24), 4466; https://doi.org/10.3390/foods12244466 - 13 Dec 2023
Cited by 11 | Viewed by 2233
Abstract
Proteins in donkey milk (DM) have special biological activities. However, the bioactive proteins and their expression regulation in donkey milk are still unclear. Thus, the differentially expressed proteins (DEPs) in DM in different lactation stages were first investigated by data-independent acquisition (DIA) proteomics. [...] Read more.
Proteins in donkey milk (DM) have special biological activities. However, the bioactive proteins and their expression regulation in donkey milk are still unclear. Thus, the differentially expressed proteins (DEPs) in DM in different lactation stages were first investigated by data-independent acquisition (DIA) proteomics. A total of 805 proteins were characterized in DM. The composition and content of milk proteins varied with the lactation stage. A total of 445 candidate DEPs related to biological processes and molecular functions were identified between mature milk and colostrum. The 219 down-regulated DEPs were mainly related to complement and coagulation cascades, staphylococcus aureus infection, systemic lupus erythematosus, prion diseases, AGE-RAGE signaling pathways in diabetic complications, and pertussis. The 226 up-regulated DEPs were mainly involved in metabolic pathways related to nutrient (fat, carbohydrate, nucleic acid, and vitamin) metabolism. Some other DEPs in milk from the lactation period of 30 to 180 days also had activities such as promoting cell proliferation, promoting antioxidant, immunoregulation, anti-inflammatory, and antibacterial effects, and enhancing skin moisture. DM can be used as a nutritional substitute for infants, as well as for cosmetic and medical purposes. Our results provide important insights for understanding the bioactive protein differences in DM in different lactation stages. Full article
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