ChEBI: L-ascorbic acid is the L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate. It has a role as a water-soluble vitamin, a vitamin C, a coenzyme, a flour treatment agent, a food antioxidant, a plant metabolite and a cofactor. It is a conjugate acid of a L-ascorbate. It is an enantiomer of a D-ascorbic acid.NCI Thesaurus (NCIt): Ascorbic Acid is a natural water-soluble vitamin (Vitamin C). Ascorbic acid is a potent reducing and antioxidant agent that functions in fighting bacterial infections, in detoxifying reactions, and in the formation of collagen in fibrous tissue, teeth, bones, connective tissue, skin, and capillaries. Found in citrus and other fruits, and in vegetables, vitamin C cannot be produced or stored by humans and must be obtained in the diet. (NCI04)