Purification and Identification of Novel Xanthine Oxidase Inhibitory Peptides Derived from Round Scad (Decapterus maruadsi) Protein Hydrolysates

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Abstract
The objective of the present study was to investigate the xanthine oxidase (XO) inhibitory effects of peptides purified and identified from round scad (Decapterus maruadsi) hydrolysates (RSHs). In this study, RSHs were obtained by using three proteases (neutrase, protamex and alcalase). Among them, the RSHs of 6-h hydrolysis by neutrase displayed the strongest XO inhibitory activity and had an abundance of small peptides (914 (contained in the XO) in the XO inhibitory activity of the peptides.
Funding Information
  • the Key-Area Research and Development Program of Guangdong Province (2020B1111030004)
  • the Guangdong Basic and Applied Basic Research Foundation (2019A1515011588)
  • the China Agriculture Research System of MOF and MARA (CARS-47)
  • the Special Scientific Research Funds for Central Non-profit Institutes, Chinese Academy of Fishery Sciences (2020TD69)
  • the Central Public-interest Scientific Institution Basal Research Funds, South China Sea Fisheries Research Institute, CAFS (2021SD06)

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