Grape seeds extracts obtainable by fractioning on a resin

Grape seeds extracts obtainable by fractioning on a resin

  • CN 101,232,865 A
  • Filed: 07/13/2006
  • Published: 07/30/2008
  • Est. Priority Date: 07/29/2005
  • Status: Active Application
First Claim
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1. be used to extract the method for Semen Vitis viniferae, it comprises:

  • A) with solvent extraction Semen Vitis viniferae (total extract);

    B) remove the water-insoluble tannin;

    C) randomly remove the water solublity tannin;

    D), separate product with different molecular weight by the chromatogram purification on post.

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