Method for extracting Siberian solomonseal rhizome polysaccharide from siberian solomonseal rhizome

Method for extracting Siberian solomonseal rhizome polysaccharide from siberian solomonseal rhizome

  • CN 101,255,199 A
  • Filed: 03/25/2008
  • Published: 09/03/2008
  • Est. Priority Date: 03/25/2008
  • Status: Active Application
First Claim
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1. , a kind of method of extracting polygonatum polysaccharide from sealwort is characterized in that:

  • 1) at first, the sealwort medicinal material coarse powder is dissolved in 10~

    14 times of water, heating decocted 0.5~

    1.5 hour, extracted 1~

    3 time, filtered, and obtained the aqueous extract of sealwort;

    2) then, aqueous extract is concentrated into density 1.05~

    1.18, adding mass concentration and be 95% ethanol alcoholic acid mass concentration to the solution is 75~

    85%, deposit 12~

    36 hours, and filtration obtains light-yellow precipitate, obtains the polygonatum polysaccharide extract after the drying.

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