| 摘要 |
1,189,796. L-Tryptophan production. KYOWA HAKKO KOGYO CO. Ltd. 24 Jan., 1969 [24 Jan., 1968], No. 4096/69. Heading C2C. L-tryptophan is produced by aerobically culturing a histidine-requiring microorganism of the genus Corynebacterium, Athrobacter or Bacillus in an aqueous nutrient medium and accumulating the L-tryptophan in the resultant culture liquor. Specified microorganisms are Athrobacter paraffineus ATCC 21333, Bacillus subtilis ATCC 14662 and Corynebacterium glutamicum ATCC 21334.
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