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Biomed Chromatogr. 2014 Apr;28(4):463-7. doi: 10.1002/bmc.3066. Epub 2013 Oct 14.

Simultaneous determination of three major lignans in rat plasma by LC-MS/MS and its application to a pharmacokinetic study after oral administration of Diphylleia sinensis extract.

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1
The First Hospital of Jilin University, Changchun, 130021, China.

Abstract

A sensitive and selective liquid chromatography tandem mass spectrometry was developed and validated for the simultaneous determination of three major lignans (podophyllotoxin, epipodophyllotoxin, and 4'-demethylpodophyllotoxin) in rat plasma using diphenhydramine as the internal standard. The analytes were detected using a triple quadrupole mass spectrometer that was equipped with an electrospray ionization source in the positive ion and selected reaction monitoring modes. The linearity of the calibration curve was good, with coefficients of determination (r(2) ) >0.9914 for all of the analytes. The developed method was successfully applied for the simultaneous determination of the three lignans in rat plasma following oral administration of Diphylleia sinensis extract to rats.

KEYWORDS:

Diphylleia sinensis; LC-MS/MS; lignan; pharmacokinetics; rat plasma

PMID:
24122912
DOI:
10.1002/bmc.3066
[Indexed for MEDLINE]
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