UPLC-Q-TOF/MS for rapid analysis of chemical constituents in Sanhuang tablets

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
Meng-Jiao LiuWen-Lan Li

Abstract

The qualitative analysis method of ultra performance liquid chromatography tandem quadrupole time of flight mass spectrometry (UPLC-Q-TOF-MS/MS) was established for the chemical constituents in Sanhuang tablets. Waters ACQUITY BEH C₁₈ (2.1 mm×100 mm, 1.7 μm) column was used with 0.1% formic acid solution (A)-0.1% formic acid acetonitrile (B) as the mobile phase for gradient elution. The flow rate was 0.2 mL•min⁻¹; the sample volume was 1 μL and the column temperature was 30 ℃. The high-resolution quadrupole time-flight mass spectrometry was used as detector with electrospray ion source in both positive and negative models, and the dry gas temperature was 325 ℃. Based on the analysis of mass spectrometry and literature reports, 38 compounds were confirmed, including 1 alkaloid, 1 dianthrone compound, 6 tannins, 7 anthraquinone glycosides, 6 anthraquinones and 17 flavonoids. Liquid chromatography-mass spectrometry method is simple, reliable and rapid to identify the chemical compositions of Sanhuang tablets, and it is helpful to reveal its chemical constituents and pharmacodynamic substances.

Citations

Feb 11, 2020·Frontiers in Pharmacology·Xianchun DuanDaiyin Peng

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