通过加入水溶性离子液体[C6MIM][Br]和离子对试剂NaPF6在黄连和黄柏的提取液中,原位生成非水溶性离子液体[C6MIM][PF6]萃取其生物碱,离心分相后,用HPLC测离子液体相中的生物碱小檗碱、巴马汀和黄连碱,其线性相关系数分别为0.9998、0.9996和0.9997,线性范围为l～2000 μg/L,检出限皆为0.5 μg/L,加标回收率96.52％～104.34％.这种方法可用于黄连和黄柏中的小檗碱、巴马汀和黄连碱的检测.
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