Profile: American Tartaric Products Inc. supplies acidulants, fine chemicals & production equipment to the wine, beer, food, pharmaceutical and industrial markets. We offer adipic acid, ascorbic acid, caffeine, citric acid, cyanocabalamin, fumaric acid, tocopherol and malic acid. We provide ascorbic acid, which must be present in the diet of man to prevent scurvy. It cures scurvy and increases resistance to infection. Ascorbic acid presumably acts as an oxidation-reduction catalyst in the cell. It is readily oxidized.