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- Title
Research Progress on the Preparation and Function of Antioxidant Peptides from Walnuts.
- Authors
Hu, Yuxi; Ni, Ce; Wang, Yingying; Yu, Xun; Wu, Hao; Tu, Jia; Li, Changzhu; Xiao, Zhihong; Wen, Li
- Abstract
Food-derived peptides have good antioxidant activity and are highly safe for humans; consequently, there has been continuous growth in research on antioxidants, with potential applications in food, medicine, cosmetics, and other fields. Among food-derived peptides, walnut-derived peptides have attracted increasing attention as food-derived peptides rich in eight essential amino acids. This review summarizes the progress made in the development and identification of antioxidant peptides in walnut proteins. This article mainly describes the interaction between reactive oxygen species and cellular antioxidant products, modulation of enzyme content and activity, and regulation of the redox signaling pathways and analyzes the mechanisms of reduction in oxidative stress. Finally, the complex structure–activity relationships of walnut-derived peptides are analyzed based on their amino acid composition and secondary structure of the polypeptides. This review provides a theoretical basis for the production of walnut-derived antioxidant peptides and could help promote the development of the walnut industry.
- Subjects
PEPTIDES; IMINO acids; ESSENTIAL amino acids; REACTIVE oxygen species; WALNUT; POLYPEPTIDES
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 19, p14853
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms241914853