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COLOURS
Uses: Patent Blue V is not widely used, but can be found in Scotch eggs.
Not recommended for consumption by children.
Banned in Australia, USA and Norway
Description: Patent Blue V is a synthetic blue-violet coal tar dye used only moderately in the food industry.
It is mainly used to colour the lymph vessels, and as a cardiovascular investigative dye. Patent Blue V is also used as an acid base indicator.
Hypersensitivity reactions reported include itching and nettle rash, nausea, low blood pressure, and in rare cases anaphylactic shock.
E131 Patent Blue V