Two different extraction methods of ephedrine from herba ephedrae were compared and analysed 摘要比较分析了从麻黄草中提取麻黄碱的两种方法。
Effects of different transdermal enhancers on percutaneous absorption of ephedrine in compound herba ephedrae adhesive plaster 不同透皮促进剂对复方麻黄贴剂中麻黄碱透皮吸收的影响
Herba ephedrae was saturated with 0 . 5 % hydrochloric acid , the extract was extracted with ether and chloroform respectively , from which ephedrine was separated and purified by column chromatography 以0 . 5 %盐酸浸泡麻黄草,分别用乙醚、氯仿萃取麻黄粗提物,通过柱色谱法分离提纯麻黄碱。