Ascorbic acid intermediates and process enzymes
US5004690A · kind A · utility
22Cited by
15References
1Claims
0Family size
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Key dates
| Filing date | Jul 17, 1989 |
| Grant date | Apr 2, 1991 |
| Priority date | — |
| Expiry date | Jul 17, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Y101/01274
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A process for the preparation of 2-keto-L-gulonic acid (2-KLG) from 2,5-diketo-D-gluconic acid (2,5-DKG) using a DNA sequence encoding 2,5-DKG reductase. The 2-KLG is a precursor for the synthesis of ascorbic acid (Vitamin C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.