Brown FK is a mixture of synthetic, brown, azo dyes, sodium chloride or sodium sulphate, and water.

Health considerations

In rats and mice, exposure to Brown FK has caused damage to muscle fibers in the heart, degeneration of the kidney, increased fat mass in the liver, and increased internal organ weight. No carcinogenic effects have been seen. There is no data or reported cases of sensitivity, intolerance, or allergy to Brown FK.

Keep in mind

Brown FK is banned from use in Australia, and is permitted in the EU only for colouring of smoked fish, particularly kippers and mackerel.

May be found in

Smoked fish, smoked mackerel, kippers



Alternative Spellings and Names

E154, Kipper Brown, Chocolate Brown FK, C.I. Food Brown 1

Leave a comment