Process for producing l-amino acids by fermentation

Details Process for producing l-amino acids by fermentation Process for producing l-amino acids by fermentation

C - Chemistry, Metallurgy

12

N

C12N 1/20 (2006.01) C12P 13/04 (2006.01) C12P 13/08 (2006.01)

Patent

CA 2240963

The present invention provides a process for producing an L-amino acid which comprises culturing in a nutrient medium a microorganism which is capable of producing the L-amino acid and which can not grow in a synthetic medium containing said L-amino acid as the sole nitrogen source in an amount of 5 mg/ml or below, allowing the L-amino acid to accumulate in the culture, and recovering the L-amino acid from the culture.

L'invention fournit un processus de production d'un acide L-aminé qui consiste à cultiver dans un milieu nutritif un microorganisme capable de produire l'acide L-aminé, mais qui est incapable de se multiplier dans un milieu synthétique n'ayant que l'acide L-aminé comme source d'azote dans une quantité d'au plus 5 mg/mL, à laisser l'acide L-aminé s'accumuler dans la culture, puis à le récupérer de ce milieu.

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