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US 4,271,267 AGranted
Preparation of L-trytophan by fermentation
AssigneeMitsubishi Petrochemical Co., Ltd.
InventorsHideaki Yukawa, Kazuoki Osumi, Terukatsu Nara, Yoshihiro Takayama
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Abstract
A process for preparing L-tryptophan by fermentation which comprises cultivating on a medium containing ethanol as the main carbon source a microorganism of the genus Serratia that utilizes ethanol and has the ability to produce L-tryptophan, and recovering the accumulated L-tryptophan from the culture.
Claims1
A process for preparing L-tryptophan by fermenation which comprises
- cultivating on a medium containing ethanol as the main carbon source a microorganism of the strain Serratia marcescens MT-5 that utilizes ethanol and has the ability to produce L-tryptophan, and
- recovering the accumulated L-tryptophan from the culture.
Dependencies are inferred from the claim text.