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Current Drug Metabolism

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ISSN (Print): 1389-2002
ISSN (Online): 1875-5453

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Research Article

Identification of the Metabolites of Scutebarbatine A in Rat Plasma, Bile, Urine, and feces by Using Ultra-high-performance Liquid Chromatography Coupled with Q Exactive Hybrid Quadrupole-orbitrap High-resolution Mass Spectrometry

Author(s): Lei Zhao, Hongjin Wang, Nannan Yuan, Guochun Yang, Jinwei Gao* and Lixin Sun*

Volume 23, Issue 1, 2022

Published on: 21 February, 2022

Page: [30 - 37] Pages: 8

DOI: 10.2174/1389200223666220126121253

Price: $65

Abstract

Background: Scutebarbatine A is a new neo-Clerodane Diterpenoid Alkaloids from Scutellaria barbata, which has many pharmacological effects, such as anti-tumor, antibacterial, and anti-inflammatory. However, there are no studies on the metabolism of Scutebarbatine A.

Objective: The objective of this study is to explore the metabolism of Scutebarbatine A in the body, the bile, plasma, urine, and feces samples of rats after administration were investigated.

Methods: The biological samples were investigated using ultra-high-performance liquid chromatography coupled with Q Exactive hybrid quadrupole-orbitrap high-resolution mass spectrometry (UPLC-Q-Orbitrap-HRMS).

Results: A total of 20 metabolites were identified: 16 phase I metabolites and 4 phase II metabolites. The main metabolic pathways were hydrolysis, oxidation, hydrogenation, dehydration, and combination with sulfate.

Conclusion: This study further elucidates the metabolism of Scutebarbatine A in rats and provides a reference for the study of its pharmacodynamic material basis and pharmacological mechanism.

Keywords: Scutebarbatine A, metabolite identification, metabolic pathway, UPLC-Q- Orbitrap-HRMS, plasma, bile, urine, feces.

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Graphical Abstract

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