Yam low-molecule extractive and preparation method thereof

Yam low-molecule extractive and preparation method thereof

  • CN 101,370,394 A
  • Filed: 11/15/2006
  • Published: 02/18/2009
  • Est. Priority Date: 11/14/2005
  • Status: Active Grant
First Claim
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1. the method for the treatment of the object in a needs treatments osteoporosis, comprise the oral Chinese yam species extract that gives object effective dose, it can promote the myelocytic hyperplasia of subject in-seam and differentiation, wherein this Chinese yam Species Characteristics is when adopting the genomic DNA of these Chinese yam species of primer pair shown in SEQID NO:

  • 9 to increase, its randomly amplified polymorphic DNA (RAPD) dactylogram comprises 14 DNA bands, respectively sequentially 428bp, 452bp, 537bp, 602bp, 723bp, 817bp, 934bp, 1140bp, 1242bp, 1478bp, 1641bp, 1904bp, 2151bp and 2918bp, and this extract is prepared by the method that comprises following steps;

    (a) utilize the solvent based on alcohols that contains acetic acid to extract the stem tuber of these Chinese yam species;

    (b) product of step (a) gained is carried out to separating treatment to obtain water-soluble fraction;

    And(c) remove the solvent of the water-soluble fraction of step (b) gained.

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