The whole flavones obtained from leaves of hawthorn by the methods of boiling water, alcohol extraction, dilute alcohol percolation, lead salt sedimentation and lime cream sedimentation were extracted.

  • 采用水煮醇提法、稀醇渗漉法、铅盐沉淀法和石灰水沉淀法所提得山楂叶总黄酮,顺次以石油醚、乙醚、乙酸乙酯和正丁醇进行萃取。

  • 互联网摘选 2025-01-20 19:16:44

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