One of the biomass polymers, poly(lactic acid) (PLA), has attracted much attention as an alternative for petroleum-based polymers. 1 It is well known that PLA has two ...

Bacteria, including some bacteria in a person’s gut, make lactic acid during fermentation. Manufacturers add lactic acid to food to extend its shelf life, although in some foods, it occurs naturally.

You may have heard of lactic acid occurring in your body, so you may be curious to hear that it’s also found in certain foods. Lactic acid is a type of organic acid produced by bacteria when foods ...