Quantitative bioanalysis of bavachalcone in rat plasma by LC–MS/MS and its application in a pharmacokinetics study

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EarlyView Article

  • Published: Jul 20, 2017
  • Author: Dan Zhou, Lianhua An, Yan Xia, Yuanyi Wang, Xingliang Li
  • Journal: Biomedical Chromatography

Abstract

This study aims to develop and validate a simple and sensitive liquid chromatography with tandem mass spectrometry (LC–MS/MS) method for investigating the pharmacokinetic characteristics of bavachalcone. Liquid–liquid extraction was used to prepare plasma sample. Chromatographic separation of bavachalcone and IS was achieved using a Venusil ASB C18 (2.1 × 50 mm, 5 μm) column with a mobile phase of methanol (A)–water (B) (70:30, v/v). The detection and quantification of analytes was performed in selected‐reaction monitoring mode using precursor → product ion combinations of m/z 323.1 → 203.2 for bavachalcone, and m/z 373.0 → 179.0 for IS. Linear calibration plots were achieved in the range of 1–1000 ng/mL for bavachalcone (r2 > 0.99) in rat plasma. The recovery of bavachalcone ranged from 84.1 to 87.0%. The method was precise, accurate and reliable. It was fully validated and successfully applied to pharmacokinetic study of bavachalcone.

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