Tartaric acid is widely used as acidulant in beverage, and other foods, such as soft drinks, wine, candy, bread and some colloidal sweetmeats.
Tartaric acid, 2, 3-dihydroxysuccinic acid, is a carboxylic acid with the formula C4H6O6. Found in a variety of plants, such as grapes and tamarind. It is also one of the main organic acids in wine. As an antioxidant added to food, it can give food a sour taste. The largest use of tartaric acid is as a beverage additives.