Process for producing L-tryptophan or derivatives thereof using microorganisms
US4360594A · kind A · utility
4Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1981 |
| Grant date | Nov 23, 1982 |
| Priority date | — |
| Expiry date | Jun 17, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/852
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A process for producing L-tryptophan or a derivative thereof is disclosed, wherein an indole compound is reacted with serine, or with pyruvic acid and ammonium ion, in the presence of a culture or treated culture of a microorganism of genus Aeromonas or genus Klebsiella having the ability to produce L-tryptophan or a derivative thereof from an indole compound and serine, or from an indole compound, pyruvic acid and/or its salt, and ammonium ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.