ANTIOXIDANT ACTIVITY OF DEPSIDES AND DEPSIDONES

被引:126
作者
HIDALGO, ME [1 ]
FERNANDEZ, E [1 ]
QUILHOT, W [1 ]
LISSI, E [1 ]
机构
[1] UNIV SANTIAGO CHILE, FAC CIENCIA, DEPT QUIM, SANTIAGO, CHILE
关键词
DEPSIDES; DEPSIDONES; LICHENS; ANTIOXIDANT ACTIVITY; BRAIN HOMOGENATE AUTOOXIDATION; BETA-CAROTENE OXIDATION;
D O I
10.1016/S0031-9422(00)89571-0
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 antioxidant activity of lichenic metabolites, depsides and depsidones, was assessed by their effects as inhibitors of rat brain homogenate auto-oxidation and beta-carotene oxidation. The results obtained in both systems indicate that lichenic metabolites afford a moderate protection in the mu M concentration range. The largest effect was measured employing 1'-chloropannarin in the brain homogenate auto-oxidation, where a 66% protection was afforded at 1.7 mu M. This protection is very similar to that elicited by addition of the reference antioxidant propylgallate (70% protection at 1.3 mu M).
引用
收藏
页码:1585 / 1587
页数:3
相关论文
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