Identification of tanshinones and their metabolites in rat bile after oral administration of TTE-50, a standardized extract of Salvia miltiorrhiza by HPLC-ESI-DAD-MSn

Jiang Hao Sun, Min Yang, Xiao-Ming Wang, Man Xu, Ai Hua Liu, De An Guo

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

TTE-50 is a standardized extract of Salvia miltiorrhiza which mainly consisted of tanshinones. A sensitive and specific method using liquid chromatography-diode array detection-electrospray ionization (ESI) ion trap mass spectrometry was established for the study of the constituents and metabolites of TTE-50 in rat bile sample after oral administration. The bile samples were extracted with ethyl acetate (EtOAc) of three-fold volume for three times. The chromatographic separation was carried out on a Zorbax Extend-C18 column with a gradient elution program whereas acetonitrile-water was used as mobile phase. Mass spectra were acquired in positive ionization mode and data-dependant scan was used for the identification of the tanshinones and metabolites in the bile samples. Identification and structural elucidation of the tanshinones and their metabolites in bile samples were performed by comparing their retention-times and full scan MSn spectra with those of reference compounds and data in the literatures. Sixteen tanshinones in TTE-50 along with seventeen phase I metabolites were identified simultaneously. The metabolic modification could take place in the C-4 side chain of tanshinone IIA, from methyl to primary alcohol, then to aldehyde group was proposed for the first time. The established method was valuable for the study of the metabolism of complex system such as herbal extracts or traditional Chinese medicine (TCM) formula.

Original languageEnglish (US)
Pages (from-to)564-574
Number of pages11
JournalJournal of Pharmaceutical and Biomedical Analysis
Volume44
Issue number2
DOIs
StatePublished - Jun 28 2007
Externally publishedYes

Fingerprint

Salvia miltiorrhiza
Electrospray ionization
Metabolites
Bile
Oral Administration
Rats
High Pressure Liquid Chromatography
tanshinone
Salvia extract
Liquid chromatography
Chinese Traditional Medicine
Metabolism
Aldehydes
Liquid Chromatography
Medicine
Ionization
Mass spectrometry
Large scale systems
Mass Spectrometry
Diodes

Keywords

  • High performance liquid chromatography-tandem mass spectrometry
  • Metabolism
  • Rat bile
  • Tanshinone

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmaceutical Science

Cite this

Identification of tanshinones and their metabolites in rat bile after oral administration of TTE-50, a standardized extract of Salvia miltiorrhiza by HPLC-ESI-DAD-MSn . / Sun, Jiang Hao; Yang, Min; Wang, Xiao-Ming; Xu, Man; Liu, Ai Hua; Guo, De An.

In: Journal of Pharmaceutical and Biomedical Analysis, Vol. 44, No. 2, 28.06.2007, p. 564-574.

Research output: Contribution to journalArticle

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