Malic acid, also known as 2-hydroxysuccinic acid, has two stereoisomers due to the presence of an asymmetric carbon atom in the moleculeIt. Malic acid is mainly used in the food and pharmaceutical industries. Character In nature, it is found in three forms, d-malic acid, L-malic acid and its mixture, DL-malic acid. Naturally existing malic acid is l-type, almost exists in all fruits, with the most in the benevolence fruit. Malic acid is a colorless needle crystal, or white crystal powder, odorless, with an irritant refreshing and sour taste. Performance characteristics Malic acid has higher acidity than Citric acid (20% more ), but has a mild taste and a distinctive aroma. Do not damage the mouth and teeth. It is good for amino acid absorption and does not accumulate fat. It is a new generation of food sourness agent. It is praised as "the most ideal food sourness agent" by biology and nutrition. It has been replacing citric acid in food for the elderly and childr…