PMID: 26323141Sep 2, 2015Paper

Simultaneous determination of seven components in Pudilan Xiaoyan oral liquid by HPLC

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
Zi-bo DongJian-guo Shao

Abstract

To establish an HPLC method for the content determination of baicalin, wogonin, chlorogenic acid, caffeic acid, cichoric acid, corynoline and adenosine in Pudilan Xiaoyan oral liquid. The analysis was performed on a Phenomenex Luna C18 column (4.6 mm x 250 mm, 5 µm) with a gradient mobile phase of methanol-0.1% trifluoroacetic acid solution system at flow rate of 1.0 mL · min(-1). The detective wavelength was at 280 nm. The column temperature was 30 °C. The standard curves of seven studied components show good linearity in their concentration ranges with r ≥ 0.999 6. The average recovery was 98.73%-102.1% with RSD less than 2.6%. The method is rapid, simple and accurate, and can be applied for the quality control of Pudilan Xiaoyan oral liquid.

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