Commission Directive 2008/84/EC (repealed)Dangos y teitl llawn

Commission Directive 2008/84/EC of 27 August 2008 laying down specific purity criteria on food additives other than colours and sweeteners (Text with EEA relevance) (Codified version) (repealed)

E 623 CALCIUM DIGLUTAMATEU.K.

SynonymsCalcium glutamate
Definition
Chemical nameMonocalcium di-L-glutamate
Einecs242-905-5
Chemical formulaC10H16CaN2O8 · x H2O (x = 0, 1, 2 or 4)
Molecular weight332,32 (anhydrous)
AssayContent not less than 98,0 % and not more than 102,0 % on the anhydrous basis
DescriptionWhite, practically odourless crystals or crystalline powder
Identification
A.Positive test for calcium
B.Positive test for glutamic acid by thin-layer chromatog-raphy
C.Specific rotation [α]D 20
Between 27,4 and 29,2 (for calcium diglutamate with x = 4) (10 % solution (anhydrous basis) in 2N HCl, 200 mm tube)
Purity
WaterNot more than 19,0 % (for calcium diglutamate with x = 4) (Karl Fischer)
ChlorideNot more than 0,2 %
Pyrrolidone carboxylic acidNot more than 0,2 %
LeadNot more than 2 mg/kg