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Commission Regulation (EU) No 231/2012Dangos y teitl llawn

Commission Regulation (EU) No 231/2012 of 9 March 2012 laying down specifications for food additives listed in Annexes II and III to Regulation (EC) No 1333/2008 of the European Parliament and of the Council (Text with EEA relevance)

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E 101 (ii) RIBOFLAVIN-5′-PHOSPHATE

SynonymsRiboflavin-5′-phosphate sodium
DefinitionThese specifications apply to riboflavin 5′-phosphate together with minor amounts of free riboflavin and riboflavin diphosphate.
Colour Index No
Einecs204-988-6
Chemical nameMonosodium(2R,3R,4S)-5-(3′)10′-dihydro-7′,8′-dimethyl-2′,4′-dioxo-10′-benzo[γ]pteridinyl)-2,3,4-trihydroxypentyl phosphate; monosodium salt of 5′-monophosphate ester of riboflavin
Chemical formulaFor the dihydrate form: C17H20N4NaO9P · 2H2O
For the anhydrous form: C17H20N4NaO9P
Molecular weight514,36
Assay

Content not less than 95 % total colouring matters calculated as C17H20N4NaO9P.2H2O

250 at ca. 375 nm in aqueous solution

DescriptionYellow to orange crystalline hygroscopic powder, with slight odour
Identification
SpectrometryThe ratio A375/A267 is between 0,30 and 0,34in aqueous solution
The ratio A444/A267 is between 0,35 and 0,40
Maximum in water at ca. 375 nm
Specific rotation[α]D 20 between + 38° and + 42° in a 5 molar HCl solution
Purity
Loss on dryingNot more than 8 % (100 °C, 5 hours in vacuum over P2O5) for the dihydrate form
Sulphated ashNot more than 25 %
Inorganic phosphateNot more than 1,0 % (calculated as PO4 on the anhydrous basis)
Subsidiary colouring matters

Riboflavin (free): Not more than 6 %

Riboflavine diphosphate: Not more than 6 %

Primary aromatic aminesNot more than 70 mg/kg (calculated as aniline)
ArsenicNot more than 3 mg/kg
LeadNot more than 2 mg/kg
MercuryNot more than 1 mg/kg
CadmiumNot more than 1 mg/kg

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