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,对制剂中所熊酸成分进行测,测的标准品线性关系好,检测数据稳。

METHOD Qualitative test with thin-layer chromatography was performed on Yunkeping Granule, with Spica Prunellae Vulgaris, Herba Plantaginis and urson as the control.

方法采用以夏枯草、车前草为对照药材,以熊酸为对照品,对晕可平冲剂进行了薄层层析性检测研究。