CALCIUM ASCORBATE
Prepared at the 25th JECFA (1981), published in FNP 19 (1981) and in FNP 52 (1992). Metals and arsenic specifications revised at the 61st JECFA
(2003). A group ADI ‘not specified’ was established for ascorbic acid and its Ca, K and Na salts at the 25th JECFA (1981).
SYNONYMS INS No. 302
DEFINITION
Chemical names Calcium ascorbate dihydrate, calcium salt of 2,3-didehydro-L-threo-hexono-1,4-lactone dehydrate
C.A.S. number 5743-27-1
Chemical formula C12H14O12Ca · 2H2O
Formula weight 426.35
Assay Not less than 98% of C12H14O12Ca · 2H2O
DESCRIPTION White to slightly yellow odourless crystalline powder
FUNCTIONAL USES Antioxidant
