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【多选题】
提取皂苷元的方法为
A.
先加水湿润药材，加一定量稀酸加热水解 先
B.
加水湿润药材，加一定量稀碱加热水解
C.
然后晾干，用亲脂性溶剂提取苷元
D.
然后晾干，用稀醇为溶剂提取苷元
E.
回收溶剂得到皂苷元
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