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

1.采用硅胶柱分离分光光度法,对制剂中所酸成分进行量测定,结量测定的标准品线性关,测数据稳定。

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

2.方法采用以夏枯草、车前草为对照药材,以酸为对照品,对晕可平冲剂进行了薄层层析定性测研究。