• Zhongguo Zhong Yao Za Zhi · Sep 2020

    [Identification of quality markers for Pudilan Xiaoyan Oral Liquid].

    • Jiang Meng-Hua, L I Chao, Zhu Fa-Gen, B U Wei-Quan, Sun E, Jia Xiao-Bin, and Feng Liang.
    • Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028, China.
    • Zhongguo Zhong Yao Za Zhi. 2020 Sep 1; 45 (18): 4299-4306.

    AbstractOn the basis of anti-inflammatory activity, combined with multiple indicators, the quality markers of Pudilan Xiaoyan Oral Liquid were screened and determined for quality control. Lipopolysaccharide(LPS) was used to induce normal human bronchial epithelial cell(NHBE) inflammation model. The anti-inflammatory effects of the main chemical components in Pudilan Xiaoyan Oral Liquid were examined one by one, and the pharmacodynamic basis for the overall anti-inflammatory efficacy of Pudilan Xiaoyan Oral Liquid was clarified to identify the quality markers of Pudilan Xiaoyan Oral Liquid and the contents of the quality markers were determined by high performance liquid chromatography(HPLC). The results showed that adenosine, epigoitrin, chlorogenic acid, caffeic acid, cichoric acid, corynoline, baicalin, wogonoside, wogonin and oroxylin A had a certain regulatory effect on inflammatory factor tumor necrosis factor(TNF-α), interleukin(IL-1β) and IL-6 at specific concentrations in a dose-dependent manner. Considering the factors such as the IC_(50) value of each monomer component and the comprehensiveness of the quality control components, we proposed to use adenosine, cichoric acid, corynoline, baicalin and wogonin as quality markers of Pudilan Xiaoyan Oral Liquid. The contents of the five components were determined by HPLC, and the results showed that they were relatively stable in three batches of Pudilan Xiaoyan Oral Liquid. In this study, the quality control components selected by the anti-inflammatory activity test have a clear material basis, covering all four active pharmaceutical ingredients, which can fully reflect the quality of Pudilan Xiaoyan Oral Liquid, and effectively improve the quality control standard of Pudilan Xiaoyan Oral Liquid.

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