HPLC was used to determine the Berberine hydrochlorid and palmatine in Shuangbai-Yantongning spray and cortex phellodendri.

• 用高效液相色谱法测定双柏炎痛宁喷雾液及黄柏药材中盐酸小檗碱和巴马汀的含量。