New oxidation products from (-)-epigallocatechin gallate in neutral solution

Takayo Ohyabu, Shoko Taniguchi, Hideyuki Ito, Tsutomu Hatano

Research output: Contribution to journalArticle

Abstract

Two new products, EGCG-MOx-D5 (3) and EGCG-MOx-D6 (4), on the oxidation of (-)-epigallocatechin gallate (EGCG) (1) in its aqueous solution were isolated and their structures were elucidated. These structures and those of previously established ones suggested the pathways of the changes in the oxidation. Rapid decrease of 1 accompanied by the formations of the oxidative products suggested the participation of these products in the biological and pharmacological effects reported to be those of 1.

Original languageEnglish
Pages (from-to)1685-1692
Number of pages8
JournalHeterocycles
Volume82
Issue number2
DOIs
Publication statusPublished - Feb 28 2010

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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