A

David

Darling

malic acid

Malic acid is an organic dibasic acid, (HOOCCH(OH)CH2COOH). It has several important roles in the body's metabolism, notably in the citric acid cycle (Kreb's cycle), which is concerned with the production of energy during respiration. It is found in the juice of unripe apples and some other fruit. Melting point 113°C.