Mutant Lactobacillus bulgaricus strains free from beta-galactosidase activity
US7563436B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 11, 2005 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Nov 14, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/225
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The invention concerns mutant L. bulgaricus strains bearing a nonsense mutation, in at least one of the sequences coding for the lactose operon, and free from β-galactosidase activity, and lactic starters comprising these strains. The strains and starters can be used to obtain fermented milk products from glucose-added milk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.