Wiktionary
sodium lactate
n. (context chemistry English) The sodium salt of lactic acid; used as a food additive and ingredient in lotions etc.
Wikipedia
Sodium lactate
Sodium lactate is the sodium salt of lactic acid, and has a mild saline taste. It is produced by fermentation of a sugar source, such as corn or beets, and then, by neutralizing the resulting lactic acid to create a compound having the formula NaCHO