A process for the fermentative preparation of amino acids

Details A process for the fermentative preparation of amino acids A process for the fermentative preparation of amino acids

C - Chemistry, Metallurgy

12

P

C12P 13/08 (2006.01) C12P 13/04 (2006.01)

Patent

CA 2078364

The invention relates to a process for the fermentative preparation of amino acids, in which a strain of the genus Brevibacterium or Corynebacterium producing one or more amino acids is cultivated in a nutrient medium and the amino acid(s) is/are isolated from the culture fluid at the end of fermentation. The process is characterised in that after the vigorous growth phase, the bacterial culture has at its disposal a smaller quantity of assimilable carbon source than it could metabolize on the basis of the structure of the strain and the quantity of other necessary supplements provided in the nutrient medium. The process proceeds at a higher degree of conversion of the source of carbon used (sugar), and higher concentrations of amino acids) is/are obtained in the dry mass free from biomass, relative to the prior art.

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