Abstract
The study aims to qualitatively and quantitatively analyze phenolic acids and flavonoids in Artemisiae Argyi Folium cultivated in Qichun(Qiai) for the quality control of this genuine regional herbs. UPLC-LTQ-Orbitrap-MS was used for rapid separation and structural identification of the constituents. Samples were separated on an UPLC column(2. 1 mm×100 mm,1. 8 μm) by gradient elution using 0. 1% formic acid and acetonitrile as mobile phases at a flow rate of 0. 4 m L·min-1. By UPLC-LTQ-Orbitrap-MS,16 compounds including phenolic acids and flavonoids were identified by comparison with reference standards or literature data. For quantitative analysis,12 identified compounds were simultaneously determined by UPLC-DAD at wavelengths of 330 nm. The method was validated with respect to linearity,precision,repeatability,stability and recovery. The contents of these compounds were found to differ significantly between the samples from Qichun and other areas. This strategy was novel,effective and straightforward,which provided a potential approach for holistic quality control of Qiai.
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More From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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