Malic Acid - A New Generation Acidulant i.e. Citric Acid Substitute Malic Acid is used as a flavor enhancer in food preparation for confectionaries, beverages, fruit preparations and preserves, desserts, and bakery products. It is also essential in the preparation of medical products such as throat lozenges, cough syrups, effervescent powdered preparations, toothpaste and mouthwash. Additionally, Malic Acid is used in the manufacture of skin care products to rejuvenate and improve skin conditions.