Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation.

硅胶柱度法,对制剂中所含熊酸成进行含量测定,结含量测定的标准品线性关系好,检测数据稳定。

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

方法夏枯草、车前草为对照药材,熊酸为对照品,对晕可平冲剂进行了薄层层析定性检测研究。