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Red 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
|
|
Red 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. |
Red 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 Black 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
