- L(+)-Tartaric acid is widely used ther foods, such as soft drinks, wine, candy, bread and some colloidal sweetmeats. - L(+)-Tartaric acidColorless translucent ... crystals or white crystal powder with acid taste- L(+)-Tartaric acid is widely used ther foods, ... in a light-proof, dry and cool place. L(+)-Tartaric acid (FCCIV)