Agrobacterium ZX09, water-soluble beta-glucan prepared from Agrobacterium ZX09 and preparation method thereof and application on reducing blood sugar

Agrobacterium ZX09, water-soluble beta-glucan prepared from Agrobacterium ZX09 and preparation method thereof and application on reducing blood sugar

CN
  • CN 101,935,623 A
  • Filed: 04/14/2010
  • Published: 01/05/2011
  • Est. Priority Date: 04/14/2010
  • Status: Active Application
First Claim
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1. edaphic bacillus ZX09 is characterized in that:

  • separate obtaining bacterial strain in the solonchak of Shandong Dongying, this bacterial strain is the Agrobacterium bacterial strain (Agrobacterium sp. ), bacterial strain on January 21st, 2010 in China typical culture collection center (CCTCC) preservation, deposit number is CCTCC NO;

    M2010020, this bacterial strain has following characteristics;

    A. morphological specificityObserve after 3-5 days at 28 ℃

    of these bacterial strains of cultivation on the inorganic salt Agar Plating, bacterium colony is rounded, the exocellular polysaccharide that the bacterial strain secretion is a large amount of;

    B. physiological and biochemical propertyCan effectively reduce nitrate, can not degraded cellulose, do not secrete pigment, can in 7% NaCl fermented liquid, grow, the speed of growth is the fastest in containing the fermented liquid of 2%NaCl;

    With sucrose or lactose is that carbon source can be grown well, and the suspicious carbon source of utilizing is D-glucose, D-fructose, D-seminose or D-wood sugar, can not utilize carbon source to be maltose.

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