Lactic acid bacteria, antibacterial substance produced by the bacteria, fermented milk starter containing the bacteria, and process for producing fermented milk by using the starter
US5482723A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1992 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | Dec 7, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/886
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Disclosed herein are Streptococcus salivarius subsp. thermophilus and variants thereof capable of producing an antibacterial substance which is a peptide or protein or a conjugate thereof, the antibacterial substance produced by the bacteria, and processes for producing fermented milk by using any one of the bacteria as a starter. The lactic acid bacteria produce the antibacterial substance, so that use of any one of the lactic acid bacteria as a starter for fermented milk inhibits growth of another lactic-acid-forming lactic acid bacteria also used as a starter owing to the antibacterial substance produced during fermentation. It is therefore possible to suppress the formation of the acid during storage or transportation of fermented milk, thereby making it possible to prevent taste and flavor variations and quality deterioration of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.