L-malic Acid Manufacturer, it is a type of organic acid with the chemical formula C4H6O5. It is an isomer of D-malic acid and is commonly found in many fruits such as apples, pears, and grapes. L-malic acid is used in the food industry as a flavor enhancer, acidity regulator, and preservative. It is also used in the pharmaceutical industry as an ingredient in some medications. In addition, L-malic acid is used in the production of certain polymers and in the synthesis of chiral compounds.