Singlet oxygen quenching ability of astaxanthin esters from the green alga Haematococcus pluvialis

被引：168

作者：

Kobayashi, M ^{[1
]}

Sakamoto, Y ^{[1
]}

机构：

[1] Higashimaru Shoyu Co Ltd, Res Lab, Tatsuno, Hyogo 6794193, Japan

来源：

BIOTECHNOLOGY LETTERS | 1999年 / 21卷 / 04期

关键词：

astaxanthin; carotenes; Haematococcus pluvialis; oxidation; singlet oxygen;

D O I：

10.1023/A:1005445927433

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The singlet oxygen quenching activities of carotenoids, beta-carotene, free astaxanthin, its monoester and its diester, were examined in vitro by a simple and rapid method for the measurement of Methylene Blue-sensitized photooxidation of linoleic acid in the hexane/ethanol solvent system. The concentrations of carotenoids, beta-carotene, free astaxanthin, its mono- and di-ester, required for 50% inhibition of lipid oxidation were 40, 8, 9, and 0 mu M in 100% ethanol and, 14, 16, 10, and 7 mu M in 50% (v/v) hexane in ethanol, respectively. Astaxanthin esters function as powerful antioxidant agents under both hydrophobic and hydrophilic conditions.

引用

页码：265 / 269

页数：5

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