A synthetic red azo dye used in foods which must be heat treated after fermentation. Also found in blancmange, marzipan, Swiss roll, jams and preserves, sweets, brown sauce, flavoured yogurts, packet soups, jellies, breadcrumbs and cheesecake mixes.

It appears to cause allergic and/or intolerance reactions, particularly amongst those with an aspirin intolerance. Other reactions can include a rash similar to nettle rash and water retention.

Not recommended for consumption by children.

The Hyperactive Childrens Support Group belive that a link exists between this additive and hyperactive behavioural disorders in children.

Whilst being a commonly used colour in the UK, its use is banned in Japan, Norway, Sweden and the United States.