【多选题】【消耗次数：1】
与醋酐—浓硫酸（20∶1）试剂呈阳性反应的是
①
三萜皂苷
②
强心苷
③
甾体皂苷
④
三萜类
⑤
生物碱
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三萜皂苷的分离常采用[填空1]柱色谱，常用[填空2]为支持剂。
【简答题】
三萜皂苷的分离常采用[填空1]柱色谱，常用[填空2]为支持剂。
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