Calcium erythorbate

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Calcium erythorbate
Calcium erythorbate
IUPAC name
Calcium 5-(1,2-dihydroxyethyl)-3-hydroxy-4-oxo-furan-2-olate
Other names
Erythorbic acid, calcium salt; E318
3D model (JSmol)
EC Number
  • 227-261-5
Molar mass 390.31 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Calcium erythorbate is a food additive. Chemically, it is the calcium salt of erythorbic acid, with the chemical formula Ca(C6H7O6)2. As an antioxidant structurally related to vitamin C, it helps improve flavor stability and prevents the formation of carcinogenic nitrosamines.