Oxidation of d-α-tocopherol in aqueous solution. Formation of colored products

Yoshiko Nagata, Chie Miyamoto, Yoshikazu Matsushima, Shigenobu Matsumoto

研究成果: Article査読

9 被引用数 (Scopus)

抄録

An aqueous solution of d-α-tocopherol solubilized with sodium deoxycholate became colored on standing, probably due to air oxidation. 5- Formyl-7,8-dimethyltocol (1) and 7-formyl-5,8-dimethyltocol (2) were isolated from the solution and concluded to be responsible for the coloration. In oxidation of aqueous solutions of d-α-tocopherol, the time course of formation of products was followed by analytical HPLC. The main oxidation product was 1 in solutions solubilized with sodium deoxycholate and sodium cholate, whereas α-tocoquinone was the main product in those solubilized with 2,6-di-O-methyl-β-cyclodextrin.

本文言語English
ページ(範囲)923-927
ページ数5
ジャーナルChemical and Pharmaceutical Bulletin
47
7
DOI
出版ステータスPublished - 1999 7

ASJC Scopus subject areas

  • 化学 (全般)
  • 創薬

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