Method for preparing xylitol with high yield using recycling microorganism
US7846702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2008 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Jan 24, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P7/18
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Provided is a process for continuously producing xylitol in high yield and productivity using a vacuum microfiltration bioreactor containing a fermentation medium for a strain of the genus Candida, which includes: 5 300 g/l of xylose, 1 10 g/l of urea, 1 10 g/l of potassium diphosphate, 0.01 1 g/l of magnesium sulfate, 0.1-10 mg/l of MnSO404H2O, 0.1 10 mg/l of CoCl2-6H2O, 0.1 10 mg/l of NaMoO4-2H2O, 0.1 10 mg/l of ZnSO4-7H2O, 0.1 10 mg/l of AlCl3-6H2O, 0.1 10 mg/l of CuCl2-2H2O, 0.01-5 mg/l of H3BO3, 1-100 mg/l of FeSO4 7H2O, 0.1-10 mg/l of ascorbic acid, 1-100 mg/l of biotin, 1-100 mg of choline, 1-200 mg/l of folic acid, 1-100 mg/l of inositol, 1-100 mg/l of nicotinic acid, 0.1-10 mg/l of p-aminobezoic acid, 1-100 mg/l of pantothernic acid, 0.1-10 mg/l of pyridoxine, 10-1,000 mg/l of riboflavin, and 1-100 mg/l of thiamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.