Methods The alkaloids in ethanol extract of FAK, FAK decoction, and the residues of decocted FAK were analyzed and compared by electrospray ionization tandem mass spectrometry (ESI-MS(superscript n)).

• 方法利用电喷雾离子阱质谱分析，比较草乌花乙醇提取液、草乌花单煎液和草乌花煎煮后残渣中的生物碱。