Methods: According to the specific property of Pizhenqing Granules, the extraction Process for Radix Scutellariae was drawn with the orthogonal design and in baicalin content as a marker.
方法：针对皮疹清颗粒的特性，采用正交试验设计法，以黄芩甙含量为指标，拟定黄芩的提取工艺；
2
Objective : To develop a method of quantitative analysis of multi-components by single marker (QAMS) for simultaneously determining paeoniflorin and albiflorin in Paeoniae Radix Alba.