Domain Bacteria Class Bacilli Family Lactobacillaceae Rank Species | Phylum Firmicutes Order Lactobacillales Genus Lactobacillus | |
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Lactobacillus acetotolerans (New Latin 'vinegar-tolerating milk-bacillus') is a species of gram positive bacteria in the genus Lactobacillus. Discovered in rice wine vinegar, it has a very high tolerance for acetic acid. It can tolerate an acetic acid concentration of over 9% and a pH as low as 3.3. It is known to produce sour flavors in beer it invades, by producing lactic acid.
References
Lactobacillus acetotolerans Wikipedia(Text) CC BY-SA