Ascorbic acid intermediates and process enzymes
US4758514A · kind A · utility
20Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1984 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Jun 14, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Y101/01274
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
2-keto-L-gluonic acid (2-KLG) is prepared from 2,5-diketo-D-gluconic acid (2,5-DKG) using a microorganism containing the enzyme 2,5-DKG reductase produced by an expression plasmid encoding a gene for the enzyme. The product, 2-KLG is a precursor for the synthesis of ascorbic acid (vitamin C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.