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Food additives data book - wordpres

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PURITY %: Bixin powders 25%; norbixin powders 75%.<br />

Alkali-extracted annatto 99.9%<br />

Oil-extracted annatto 99.9%<br />

WATER CONTENT MAXIMUM IN %: 5<br />

HEAVY METAL CONTENT MAXIMUM 40<br />

IN ppm:<br />

ARSENIC CONTENT MAXIMUM IN ppm: 3<br />

ASH MAXIMUM IN %: Not known<br />

SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:<br />

in water: @ 20°C Insoluble in water. Soluble in alkaline solutions; pH12, 1% pigment concentration<br />

@ 50°C Soluble in alkaline solutions; pH12, 3% pigment concentration<br />

@ 100°C Soluble in alkaline solutions; pH12, 7% pigment concentration<br />

in vegetable oil: @ 20°C Norbixin insoluble; bixin soluble

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