Selective medium containing lithium and a polyol or antibiotic for counting propionic bacteria
US5573947A · kind A · utility
3Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1994 |
| Grant date | Nov 12, 1996 |
| Priority date | — |
| Expiry date | Sep 22, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q1/045
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A medium is prepared for counting propionic bacteria under anaerobic conditions. The medium contains a complex culture medium composed in particular of a casein hydrolysate and a yeast extract, supplemented with at least one lithium compound, such as lithium lactate, and at least one polyol and/or one or more antibiotics. The counting of the bacteria in a biological sample is carried out by incubation of a sample or decimal dilutions of it in a counting medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.