C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/89
C12P 19/00 (2006.01) C07D 205/085 (2006.01) C12P 17/10 (2006.01)
Patent
CA 1067435
ABSTRACT OF THE DISCLOSURE An improved process for preparing Nocardicin A by cul- turing a Nocardicin A-producing microorganism in a fermentation medium comprises, adding to the fermentation medium, at least one additive selected from shikimic acid, a carboxylic acid of the formula: Image (I) wherein A is alkylene group having hydroxy, amino, acylamino or oxo group, and n is an integer of 0-4; glycine, alanine, serine, homoserine, ?-aminobutyric acid and ?,.beta.-diaminopropionic acid, and derivatives of the carboxy group of these compounds, Nocardicin A is a known antibiotic.
266031
Aoki Hatsuo
Imanaka Hiroshi
Mori Shigeru
Ohsawa Shigeyoshi
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