单选题:用聚酰胺柱色谱分离下列黄酮类化合物,乙醇–水进行洗脱,出柱的顺序为(  )

题目内容:
用聚酰胺柱色谱分离下列黄酮类化合物,乙醇–水进行洗脱,出柱的顺序为(  ) A.单糖苷–双糖苷–三糖苷–苷元
B.苷元–单糖苷–双糖苷–三糖苷
C.三糖苷–苛元–单糖苷–双糖苷
D.苷元–双糖苷–三糖苷–单糖苷
E.三糖苷–双糖苷–单糖苷–苷元
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