Food additives data book - wordpres

PURITY %: Not less than 80% total colouring matter calculated as the sodium salt
WATER CONTENT MAXIMUM IN %: 20
HEAVY METAL CONTENT MAXIMUM IN 40
ppm:
ARSENIC CONTENT MAXIMUM IN ppm: 3
ASH MAXIMUM IN %: N/A
SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:
in water: @ 20°C 5% @ 50°C 7% @ 100°C 10%
in vegetable oil: @ 20°C Insoluble @ 50°C Insoluble @ 100°C Insoluble
in sucrose solution: @ 10% 5% @ 40% 5% @ 60% 5%
in sodium chloride solution: @ 5% Soluble @ 10% Insoluble @ 15% Insoluble
in ethanol solution: @ 5% 5% @ 20% 5% @ 95% 0.2% @ 100% 0.2%
in propylene glycol: @ 20°C 2% @ 50°C 2% @ 100°C 3%
FUNCTION IN FOODS: Water-soluble blue-green food colour, or insoluble blue-green food colour as the aluminium lake
ALTERNATIVES: Other blue-green food colours, although not the same hue, include: Brilliant Blue FCF; Patent Blue V;
Indigotine
TECHNOLOGY OF USE IN FOODS: A heat-stable blue-green food colour useful as a component in green colour for canned peas and as a
dulling agent in brown shades. The colour has moderate light stability, reasonable stability to acid
conditions, and fair stability to alkaline conditions.
SYNERGISTS: None known
ANTAGONISTS: Sulphur dioxide/ Metal ions
FOOD SAFETY ISSUES: None known
Green S 249