Malic acid is usually an organic compound with all the formula HO2CCH2CHOHCO2H. It is a dicarboxylic acid that is made by just about all living organisms, plays a part in the pleasantly wrong taste of some fruits, and is used to be a food additive. Malic p has two stereoisomeric sorts, though only the L-isomer exists normally. The salts in addition to esters of malic acid are often known as malates.