Lyophilization of bacteria
US4205132A · kind A · utility
64Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1978 |
| Grant date | May 27, 1980 |
| Priority date | — |
| Expiry date | Jul 17, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/885
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Storage stable, lyophilized, acid producing bacteria, such as lactic acid bacteria, are prepared by lyophilizing the bacteria in the presence of at least 5% by weight of the bacteria of a basic organic or inorganic buffering agent, preferably an alkali metal salt of glycerophosphate, to provide lyophilized bacteria containing less than 5% by weight water, and sealing the lyophilized bacteria in a container while in a vacuum or surrounded by a gaseous atmosphere substantially free of oxygen, preferably argon which is essentially free of oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.