Tuesday, May 25 2010 23:01
Genus/species: Lactobacillus paracasei
Gram Stain: Positive
Cell: Rods. 0.8-1.0μm. Single or chains.
Colony: small round creamy-yellow colonies
Liquid Growth: likely dispersed
Grows on tofu whey and uses fructose, glucose, and sucrose.
Generally found in fermented products like yogurt and natural dairy products, silage, humans, clinical sources, grape must/wine.
Facultatively heterofermentative, stereoisomer of lactic acid produced is L-Lactic acid, positive fermentation of amygdalin, mannitol and melezitose.
Role in wine:
Seldom isolated from wines, but when it has been, it was isolated from must/wines.
- SO2: n/a
- Sorbate: n/a
- DMDC: n/a
- Acids: n/a
- Ethanol: n/a
- Anaerobiosis: yes
- Heat: n/a