该苷类多具有羧基,故有时又称为() ["A.三萜皂苷","B.甾体皂苷","C.酸性皂苷","D.中性皂苷","E.次皂苷"]
三萜苷类化合物多数可溶于水,水溶液振摇后产生肥皂样泡沫,故称为是() ["三萜皂苷","甾体皂苷","酸性皂苷","中性皂苷","次皂苷"]
青蒿素的结构是() ["['

","

","

","

","

"]
有些挥发油在低温条件下可析出固体成分,俗称() ["脑","素油","香脂","精油","净油"]
吸收法提取挥发油,待脂肪充分吸收芳香成分后,刮下脂肪称() ["A.脑","B.素油","C.香脂","D.精油","E.净油"]
红细胞(RBC)与血红蛋白(Hb)检查临床意义