Structural basis for the anti-aging effects of hydroxyproline-BCAA dipeptides: An integrated computational and experimental approach.

Linggao Liu, Ruiyun Wu, Ziwu Gao, Haijie Wang, Anqi Xu, Xinning Hou, Dequan Zhang, Zhenyu Wang

Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs; Laboratory of Processing Technology Integration for Chinese-style Meat and Vegetable Dishes, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs; Laboratory of Processing Technology Integration for Chinese-style Meat and Vegetable Dishes, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China. · pubmed

Paper

Abstract

This study systematically investigated the structure-activity relationships of nine hydroxyproline-branched-chain amino acid dipeptides to elucidate their anti-aging potential. Quantum chemical calculations revealed that electronic properties, particularly a lower HOMO-LUMO energy gap (ΔE) and chemical hardness (η), were critical structural determinants governing the peptides' radical scavenging efficiencies against DPPH

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Research summary

The paper claims that specific hydroxyproline-BCAA dipeptides exhibit anti-aging potential through their radical scavenging efficiencies. This research is relevant as it investigates structural determinants that may contribute to mechanisms underlying aging and longevity.

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