Calcium ascorbate is a compound with the molecular formula CaC12H14O12. It is the calcium salt of ascorbic acid, one of the mineral ascorbates. It is approximately 10% calcium by mass.

As a food additive, it has the E number E 302. It is approved for use as a food additive in the EU,USA and Australia and New Zealand

About Calcium Ascorbate:
Calcium Ascorbate features wide use, early development, Calcium Ascorbate easy synthesis, less pollution, high efficiency and lower costs. Of our food additives and food ingredients. Calcium Ascorbate is a compound with the molecular formula CaC12H14O12. Calcium Ascorbate is the salt of ascorbic acid, one of the mineral ascorbates.
Calcium Ascorbate system of law:
Calcium Ascorbate ascorbic acid and the alkaline and calcium in the system.
Calcium Ascorbate identification method.
Take a small amount of Calcium Ascorbate soluble in water, add 2 drops of methyl red indicator, with ammonia and then add dilute hydrochloric acid to acid, adding ammonium oxalate solution to generate calcium oxalate precipitation. This precipitate insoluble and soluble in hydrochloric acid is the Calcium Ascorbate.
Calcium Ascorbate can add soup and soup-style food and supplies, Calcium Ascorbate without changing the original taste of food and physical activity to lose calcium VC. So Calcium Ascorbate is a dual-function agent, to prevent rickets, scurvy.

APPLICATIONS Calcium Ascorbate is mostly used in dry preparations. Calcium Ascorbate solutions have a tendency to get a moisture up upon long standing. Calcium Ascorbate is generally recognized as safe (GRAS) as a chemical preservative (antioxidant). The proposed monograph on vitamin and mineral products for OCT human use in the Federal Register, March 16, 1979, lists Calcium Ascorbate (as well as sodium Ascorbate and Ascorbyl Palmitate) as accepted sources of vitamin c.