Method for preparing paeonol and paeoniflorin from cortex moutan
A technology for paeonol and paeoniflorin is applied in the field of preparing paeonol and paeoniflorin step by step, which can solve the problems of limited application, waste of raw materials and the like, and achieve the effects of improving purity, low cost and reasonable design.
Inactive Publication Date: 2007-12-12
ZHEJIANG UNIV
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The invention relates to a method for preparing paeonol and peony glycosides from root bark of tree peony. It compries following steps: immersing pieces of medical herb of root bark of tree peony in water, extracting through distillation and getting paeonol crystal; extracting dregs of a decoction with alcohol solution, decompressing extract, separating extract with D201 macroporous absorption resin and getting peony glycosides. The invention is characterized by full use of medical herb, increased peony glycosides purity, rational design, low cost, easy operation, good stability and suitability for industrial production.
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