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Eur J Drug Metab Pharmacokinet. 1990 Jul-Sep;15(3):253-8.

In vitro metabolism of cannabinol in rat, mouse, rabbit, guinea pig, hamster, gerbil and cat.

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1
Department of Pharmacology, University of Oxford, UK.

Abstract

Metabolism of cannabinol (CBN) was studied in hepatic microsomal incubates from mouse, rat, rabbit, guinea pig, cat, hamster and gerbil. Metabolites were extracted with ethyl acetate, concentrated by chromatography on Sephadex LH-20 and identified by GC/MS as TMS derivatives. Six monohydroxy metabolites were identified. These had hydroxy groups at C-11 and at all positions of the pentyl side-chain. Metabolism varied considerably between the species. 11-Hydroxylation was the most prominent route in the majority of species, but in the hamster and cat the major metabolic pathway was 4'-hydroxylation. Metabolites hydroxylated in the pentyl chain were generally more abundant in guinea pig, hamster and cat.

PMID:
2253656
DOI:
10.1007/BF03190212
[Indexed for MEDLINE]

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