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Wolverhampton Intellectual Repository and E-Theses > Research Institutes > Research Institute in Healthcare Science > Pharmacy and Natural Products Research Group > High Performance liquid chromatography-mass spectrometry analysis for rat metabolism and pharmacokinetic studies of lithospermic acid B from danshen

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/29754
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Title: High Performance liquid chromatography-mass spectrometry analysis for rat metabolism and pharmacokinetic studies of lithospermic acid B from danshen
Authors: Cui, Liang
Chan, Wan
Wu, Jian-Lin
Jiang, Zhi-Hong
Chan, Kelvin C.
Cai, Zongwei
Citation: Talanta, 75(4): 1002-1007
Publisher: Amsterdam: Elsevier
Journal: Talanta
Issue Date: 2008
URI: http://hdl.handle.net/2436/29754
DOI: 10.1016/j.talanta.2007.12.045
Additional Links: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6THP-4RKMHW4-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=ae9ff64b23dc55ac9e68d5a60cb0bb1d
Abstract: Metabolism and pharmacokinetic studies on rat were conducted for lithospermic acid B, one of the components from Radix Salviae Miltiorrhizae (danshen) that shows many bioactivities. Liquid chromatography–electrospray ionization mass spectrometry method was applied for the determination of lithospermic acid B and its metabolites in samples from in vitro and in vivo metabolism studies. Rat plasma samples collected after intravenous administration were analyzed for obtaining pharmacokinetic data of lithospermic acid B. Four O-methylated metabolites, namely one monomethyl-, two dimethyl- and one trimethyl-lithospermic acid B, were detected when lithospermic acid B was incubated in rat hepatic cytosol. These four metabolites were also detected in rat bile, plasma and feces samples after intravenous administration of lithospermic acid B. The in vitro and in vivo results indicate that the methylation is the main metabolic pathway of lithospermic acid B. The danshen component and its methylated metabolites were excreted to rat bile and feces. (Elsevier)
Type: Article
Language: en
Keywords: Lithospermic acid B
Drug metabolism
Pharmacokinetics
Rats
Danshen
Chromatography, High Performance Liquid
Haematology, animal
HPLC
ISSN: 00399140
Appears in Collections: Pharmacy and Natural Products Research Group

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