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,中所含熊酸成分进行含量测定,结含量测定的标准品线性关系好,检测定。

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、车前草为照药材,以熊酸为照品,晕可平冲进行了薄层层析定性检测研究。