Antioxidative activity of hydroxylamines. ESR spectra of radicals derived from hydroxylamines

被引：0
|
作者：
Nishiyama, T [1 ]
Tamekuni, H [1 ]
Tachibana, T [1 ]
Kitamura, HH [1 ]
Saito, S [1 ]
机构：
[1] Kansai Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5640073, Japan
来源：
FREE RADICAL RESEARCH | 2001年 / 35卷 / 06期
关键词：
antioxidant; hydroxylamine; ESR; radicals;
D O I：
10.1080/10715760100301391
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The antioxidative activity of hydroxylamines was evaluated for the oxidation of tetralin at 61degreesC and linoleic acid micelles in an aqueous dispersion at 37degreesC, induced by an azo initiator. The antioxidative efficacy of the hydroxylamines for the oxidation of tetralin was smaller than that of a-tocopherol. However, the hydroxylamines showed more potent antioxidative activity than that of the alpha-tocopherol against the oxidation of linoleic acid micelles. On the basis of the results of an ESR study and the oxidation product obtained, it is suggested that active position in hydroxylamines depend not only on hydroxyl hydrogen-atom, but also on the allylic hydrogen atom.
引用
收藏
页码：895 / 905
页数：11
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