Malic Acid
Various fruits and vegetables contain the sour-tasting organic compound known as malic acid. Additionally, it can be found in wines, where it adds to their tart flavor. Malic acid can be added to food as a flavoring agent or as a preservative.Malic acid has a hydroxyl group (-OH) and a carboxylic acid group (-COOH) in its chemical composition. They are responsible for malic acid's acidic characteristics. Due to the presence of two carboxylic acid groups, malic acid is categorized as a dicarboxylic acid.