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Black Iron Oxide
(E 172)
Iron Oxides are found naturally in the world but are full of impurities
and cannot be purified. Therefore all Iron Oxides used in the food industry
are produced synthetically. They are generally micronized to produce a
very fine particle size. They are totally insoluble in all generally used
food products.
| COLOUR |
NAME |
STABILITY
|
APPLICATION
|
| |
|
HEAT
|
LIGHT
|
ACID
|
Drink
|
Ice
Cream
|
Confectionery
|
Dairy
|
Dessert
|
Sauce
|
Meat
|
| Flour |
Sugar
|
|
Black Iron Oxide |
Good
|
Good
|
Good
|
N
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
| Please note this summary
takes into account physical suitability, but does
not account for legislative restrictions. |
Black Iron Oxides are very stable inorganic pigments but tend to be rather
dull in appearance. They can be easily blended into dry mixtures or dispersed
into a variety of aqueous or oil based liquid mediums. Most commonly used
in combination with Yellow and Red Iron Oxide to give a variety of brown
shades.
Iron Oxides are used widely in the pet food industry and where high stability
to processing conditions is required.
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The
Hawkins Watts New Zealand COLOUR SELECTOR
