Purification process of total coumarin from Fraxini Cortex by macroporous resin Chemical constituents from Lepidogrammitis drymoglossoides Comparison on active ingredients in spray and decompression drying extracts of Jiuxiang Zhixie Prescription Flocculationeffect ofchitosanflocculant on water-extraction solution of Xiaoyan Tuire Granules Oral Liquid Simultaneous determination of chlorogenic acid, aesculetin, isochlorogenic acid B, and isochlorogenic acid A in Cichorii Herba by QAMS Determination of aesculetin, caffeic acid, and rosmarinic acid in Niaoganning Granula by RP-HPLC Determination of aesculetin, caffeic acid, and rosmarinic acid in Niaoganning Granula by RP-HPLC Study on chemical constituents from Potentilla supina Study on chemical constituents from Potentilla supina