https://www.selleckchem.com/pr....oducts/AZD2281(Olapa
The similarity of Qingwei San's characteristics pectrum of different decoction methods was all above 0.9, and the concentration of isoferulic acid, palmatine and paeonol in Qingwei San under determined decoction process was 40.74, 26.73, 65.73 μg·mL~(-1), respectively, with an extraction rate of 33.80%.The characteristic spectrum determined in this experiment can better express the information and index components of Qingwei San, and if combined with the extraction rate information, it can provide the general information, inde
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