Preparation method of piper laetispicum extractive, extractive and application thereof

Preparation method of piper laetispicum extractive, extractive and application thereof

CN
  • CN 102,429,962 A
  • Filed: 09/29/2010
  • Published: 05/02/2012
  • Est. Priority Date: 09/29/2010
  • Status: Active Application
First Claim
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1. the method for preparing extractive of Piper laetispicum C.DC.;

  • Comprise that the medical material to Piper laetispicum C.DC. carries out pre-treatment, thick extraction and adopts macroporous adsorbent resin that crude extract is made with extra care;

    It is characterized in that;

    Eluant adopts ethanol in the purification step, and the order of eluting adopts the 60-80% ethanol elution then at first adopting 10-30% ethanol flush away impurity.

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