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Lactic acid is an organic compound formed by lactic acid bacteria, such as Lactobacillus, Pediococcus, and Enterococcus, and to a lesser degree by Brettanomyces in lambic. It is chemically similar to acetic acid, differing in that lactic acid has an alcohol group attached to the second carbon. Lactic acid is chiral and posesses two optical isomers, (S)-lactic acid and (R)-Lactic Acid. In nature, the (S)- isomer is by far the most common.
==Chemical and physical properties==
Ethyl lactate has a buttery, coconut like scent in the concentrations that are likely to be found in lambic [ref].
==References==
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