1.Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation.
采用硅胶柱分离分光光度法,对制剂中所含熊果酸成分进行含量,结果含量的标准品线性关系好,检。
2.METHOD Qualitative test with thin-layer chromatography was performed on Yunkeping Granule, with Spica Prunellae Vulgaris, Herba Plantaginis and urson as the control.