AIM: To estahlish a RP-HPLC method of determining two caffeic acid derivatives in Echinacea extract and to determine 5 Echinacea purpurea root extracts.

• 目的:建立RP-HPLC测定紫锥菊提取物中2种咖啡酸衍生物含量的方法,同时测定5种样品。