An HPLC-DAD-ESIMS method was developed for the simultaneous analysis of caffeic acid derivatives and alkamides in the roots and extracts of Echinacea purpurea.

• 以高效液相色谱、二极阵列管紫外检测器和电喷雾质谱检测器联用方法来同时分析紫锥菊Echinacea Purpurea(L)Moench.