Tartaric acid occurs naturally in a wide diversity of plants and microorganisms. It is most abundant in tamarind, grapes, banana apple, and some citrus fruits.It commonly combined with baking soda to function as a leavening agent in recipes, and is one of the main acids found in wine. It is added to other foods to give a sour taste, and is used as an antioxidant. This product is free from additives, fillers, or artificial flavours, providing you with a pure and unadulterated form of Tartaric Acid. Essencea Pure Bulk Ingredients every batch is inspected for quality, freshness, and potency.