IDENTIFICATION OF O-HYDROXYPHENYLACETALDEHYDE AS A MAJOR METABOLITE OF COUMARIN IN RAT HEPATIC MICROSOMES

被引:28
作者
LAKE, BG [1 ]
OSBORNE, DJ [1 ]
WALTERS, DG [1 ]
PRICE, RJ [1 ]
机构
[1] LILLY RES CTR LTD,WINDLESHAM GU20 6PH,SURREY,ENGLAND
关键词
D O I
10.1016/0278-6915(92)90144-A
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The metabolism of [3-C-14]coumarin has been studied in hepatic microsomes from control (corn-oil treated) and Aroclor 1254-treated (100 mg/kg body weight/day, 5 days, ip) rats. [3-C-14]Coumarin metabolites in incubate extracts were separated by HPLC and identified by comparison with the retention times of known coumarin metabolites. The major product produced by incubation of 0.25-2.5 mM-[3-C-14]coumarin with both control and Aroclor 1254-induced hepatic microsomes was a novel coumarin metabolite. This novel metabolite was extracted from pooled microsomal incubations, purified by semi-preparative HPLC and identified by mass spectrometry as o-hydroxyphenylacetaldehyde (o-HPA). Some possible pathways for the formation of o-HPA from coumarin are proposed.
引用
收藏
页码:99 / 104
页数:6
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