METHODS HPLC was used to determine the dissolution rate of Yanshuangsan powder before and after super fine crushing with Indigo and glycyrrhizic acid as index.

• 方法:以靛蓝和甘草酸溶出量为指标,采用高效液相色谱法分别对超微粉碎前后咽爽散溶出量进行测定。