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7-O-Galloyltricetifavan: a promising natural radical scavenger

Royal Society open science, 2022-06, Vol.9 (6), p.211906-211906 [Peer Reviewed Journal]

2022 The Authors. ;2022 The Authors. 2022 ;ISSN: 2054-5703 ;EISSN: 2054-5703 ;DOI: 10.1098/rsos.211906 ;PMID: 35754988

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  • Title:
    7-O-Galloyltricetifavan: a promising natural radical scavenger
  • Author: Hieu, Le Trung ; Van Thi, Tran Thi ; Hoa, Nguyen Thi ; Mechler, Adam ; Vo, Quan V
  • Subjects: antioxidant ; antiradical activity ; Chemistry ; density functional theory ; flavonoid ; kinetics
  • Is Part Of: Royal Society open science, 2022-06, Vol.9 (6), p.211906-211906
  • Description: 7-O-Galloyltricetifavan ( ), a natural flavonoid, is isolated from the leaves of . The compound exhibits a variety of biological activities. This study details the evaluation of the HOO antiradical activity of by quantum chemistry calculations. The HOO trapping activity of in the gas phase (reference state) was discovered to follow the formal hydrogen transfer mechanism with a rate constant of = 4.58 × 10 M s . In physiological environments, is predicted to be an excellent HOO radical scavenger with = 2.65 × 10 and 1.40 × 10 M s in water and pentyl ethanoate solvents, respectively. The HOO antiradical activity of in water at physiological pH is approximately 2000 times that of Trolox and substantially higher than that of other well-known natural antioxidants such as trans-resveratrol or ascorbic acid. Thus, is an excellent natural antioxidant in polar environments.
  • Publisher: England: The Royal Society
  • Language: English
  • Identifier: ISSN: 2054-5703
    EISSN: 2054-5703
    DOI: 10.1098/rsos.211906
    PMID: 35754988
  • Source: PubMed Central
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