Pharmacokinetic study on hirsutine and hirsuteine in rats using UPLC–MS/MS

Autor: Aixia Han, Jinzhang Cai, Jianshe Ma, Qing Wu, Guanyang Lin, Chongliang Lin, Xianqin Wang, Peiwu Geng
Rok vydání: 2019
Předmět:
Zdroj: Acta Chromatographica. 31:99-104
ISSN: 2083-5736
DOI: 10.1556/1326.2017.00365
Popis: An ultra-performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) method was established to determine hirsutine and hirsuteine in rat plasma. Pharmacokinetics of hirsutine and hirsuteine in rats after intravenous or oral administration has been investigated using this developed UPLC–MS/MS method, and bioavailability of the two drugs was calculated. Diazepam was used as internal standard, and UPLC BEH column (2.1 mm × 50 mm, 1.7 μm) was used at temperature of 40 °C. The mobile phase was composed of acetonitrile and water (containing 0.1% formic acid) at a gradient elution flow rate of 0.4 mL/min. Nitrogen was used as desolvation gas (800 L/h) and conical gas (50 L/h). The multiple reaction monitoring (MRM) model was applied to quantitatively analyze hirsutine m/z 369 → 226, hirsuteine m/z 367 → 169.9, and diazepam (internal standard) m/z 285.1 → 193.3. Rat plasma samples were deproteinized using acetonitrile prior to UPLC–MS/MS analysis. Within the concentration range of 1–200 ng/mL, the lin...
Databáze: OpenAIRE