(R)-5-((S)-1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one,Physiological antioxidant. Coenzyme for a number of hydroxylation reactions; required for collagen synthesis. Widely distributed in plants and animals. Inadequate intake results in deficiency syndromes such as scurvy. "Al-Meshal; I,A,; et al,: Anal, Profiles Drug Subs,; 11; 45 (1982); Levine; M,; et al,: N, Engl, J, Med,; 314; 892 (1986); Prust;c,; et al,: Nature Biotch,; 23; 195 (2005);",Ascorbic Acid Industries