Pharmacokinetics of Guanfu Base I, an Active Metabolite of Guanfu Base A, in Rats
نویسندگان
چکیده
منابع مشابه
Guanfu base A, an antiarrhythmic alkaloid of Aconitum coreanum, Is a CYP2D6 inhibitor of human, monkey, and dog isoforms.
Guanfu base A (GFA) is a novel heterocyclic antiarrhythmic drug isolated from Aconitum coreanum (Lèvl.) rapaics and is currently in a phase IV clinical trial in China. However, no study has investigated the influence of GFA on cytochrome P450 (P450) drug metabolism. We characterized the potency and specificity of GFA CYP2D inhibition based on dextromethorphan O-demethylation, a CYP2D6 probe sub...
متن کاملPreparative isolation and purification of bioactive constituents from Aconitum coreanum by high-speed counter-current chromatography coupled with evaporative light scattering detection.
Preparative high-speed counter-current chromatography (HSCCC) coupled with evaporative light scattering detection (ELSD) was employed for the isolation and purification of alkaloids from the roots of Aconitum coreanum (Lèvl.) Rapaics. The two-phase solvent system used in HSCCC was n-hexane-ethyl acetate-methanol-0.2M HCl (1:3.5:2:4.5, v/v/v/v). Six alkaloids were obtained and yielded 10.4 mg of...
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The aim of this paper was to seek an efficient method to preparative separation of alkaloid compounds from Aconitum coreanum (Guanbaifu), a well-known traditional Chinese medicinal plant for heart disease. Seven alkaloid compounds were successfully purified by pH-zone-refining counter-current chromatography with two-phase solvent system of petroleum ether-ethyl acetate-methanol-water (5:5:1:9, ...
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ژورنال
عنوان ژورنال: Biological and Pharmaceutical Bulletin
سال: 2005
ISSN: 0918-6158,1347-5215
DOI: 10.1248/bpb.28.1363