ERYTHORBIC ACID
Prepared at the 37th JECFA (1990), published in FNP 52 (1992) superseding specifications prepared at the 17th JECFA (1973), published in FNP 4 (1978). Metals and arsenic specifications revised at the 61st JECFA (2003). An ADI 'not specified' was established at the 37th JECFA (1990)
SYNONYMS Isoascorbic acid, D-araboascorbic acid, INS No. 315
DEFINITION
Chemical names D-Erythro-hex-2-enoic acid delta-lactone, isoascorbic acid, D-isoascorbic acid
C.A.S. number 89-65-6
Chemical formula C6H8O6
Formula weight 176.13
Assay Not less than 99% on the dried basis
DESCRIPTION White to slightly yellow crystalline solid which darkens gradually on exposure to light
FUNCTIONAL USES Antioxidant
