Fermentation

Fermentation

  • CN 1,052,512 C
  • Filed: 06/12/1992
  • Issued: 05/17/2000
  • Est. Priority Date: 06/13/1991
  • Status: Active Grant
First Claim
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1. method of producing 2-keto-L-gulonic acid or its salt, this method is included in to cultivate in the substratum that contains the D-Sorbitol Powder has the ability that produces the L-sorbose from the D-Sorbitol Powder, belong to the microorganism (A) of gluconobacter sp or bacillus aceticus and have and produce the ability of 2-keto-L-gulonic acid and microorganism (B) with DSMNo.4025 strain classification characteristics from the L-sorbose, its function equivalent, secondary culture, the mixed culture of mutant or varient, carry out mixed culture whereby, wherein said two kinds of microorganisms coexist as in the substratum in the time at least a portion of whole incubation period, and collect 2-keto-L-gulonic acid and salt thereof.

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