The in vivo absorbed constituents and metabolites of Danshen decoction in rats identified by HPLC with electrospray ionization tandem ion trap and time-of-flight mass spectrometry

Danshen, the dried root and rhizome of Salvia miltiorrhiza Bunge, is widely used for the treatment of cardiovascular and cerebrovascular diseases. This research focuses on the in vivo metabolism of Danshen decoction (DSD) in rats. After oral administration of DSD, the absorptive constituents and the...

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Bibliographic Details
Published in:Biomedical chromatography 2015-02, Vol.29 (2), p.285-304
Main Authors: Zhao, Xin, Yang, Dong-Hui, Xu, Feng, Huang, Shuai, Zhang, Lei, Liu, Guang-Xue, Cai, Shao-Qing
Format: Article
Language:English
Subjects:
Animals
Chromatography, High Pressure Liquid - methods
Danshen decoction
Diterpenes, Abietane - analysis
HPLC-DAD-ESI-IT-TOF/MS
Hydroxybenzoates - analysis
Mass Spectrometry - methods
metabolites in vivo
phenolic acid
Phenols - analysis
Rats
Spectrometry, Mass, Electrospray Ionization
tanshinone
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Summary:Danshen, the dried root and rhizome of Salvia miltiorrhiza Bunge, is widely used for the treatment of cardiovascular and cerebrovascular diseases. This research focuses on the in vivo metabolism of Danshen decoction (DSD) in rats. After oral administration of DSD, the absorptive constituents and their metabolites in urine and plasma were analyzed by HPLC coupled with a photodiode array detector and electrospray ionization hybrid ion trap and time‐of‐flight mass spectrometry. Samples were separated on a C18 column by gradient elution using 0.1% (v/v) aqueous formic acid and acetonitrile. As a result, 93 compounds from urine and 38 compounds from plasma were identified. Among them, lipo‐soluble diterpenoids (24 in urine and 15 in plasma) were reported for the first time as in vivo metabolites of DSD. According to the quantities and contents of the identified compounds, tanshinone IIA, cryptotanshinone and tanshinone I were deduced to be the major absorptive diterpenoids of DSD. Moreover, nine water‐soluble phenolics (caffeic acid, ferulic acid, danshensu, etc.) were proved to be the major absorptive constituents as reported. Most of the absorbed constituents underwent sulfation, glucuronidation, hydrogenation and hydroxylation in vivo. This investigation provided scientific evidence to obtain a more comprehensive metabolic profile of DSD. Copyright © 2014 John Wiley & Sons, Ltd.
ISSN:0269-3879
1099-0801
DOI:10.1002/bmc.3275