Brown FK
Learn what Brown FK (E154) is, why it's added to food, whether it's safe, and which products contain it.
Moderate concernWhat is Brown FK?
A food additive from the category of synthetic azoic colorants. It gives a brown color and is only permitted for use in smoked herring ('kippers').
Why is Brown FK added to food?
Brown FK (E154) is a colorant commonly found in: Smoked herring 'kippers'.
Permitted quantity: Due to its recognized toxicity, its use has been restricted, and no established daily allowable intake for human consumption has been set.
Is Brown FK safe?
Moderate concern
As a mixture of synthetic azoic compounds, it may cause intolerance in individuals sensitive to salicylates. As a histamine releaser, it may intensify asthma symptoms. When combined with benzoates (E 210-215), it can contribute to hyperactivity in children. It also presents a mutagenic risk.
Is Brown FK banned anywhere?
✓ Not currently banned in the EU or known to be restricted in other countries.
Common foods that contain Brown FK
- Smoked herring 'kippers'
How to spot Brown FK on labels
Look for any of these names in the ingredients list:
- E154
- Brown FK
Common misspellings to watch for:
- brown tk
- brown fk
- brown ik
Better alternatives
• May cause allergic reactions in individuals sensitive to food colorants. • Not recommended for individuals with digestive disorders or liver conditions. • Avoid large quantities of consumption by children or pregnant women without consulting a doctor.
Also known as
- brown tk
- brown fk
- brown ik
Scan products with BioBrief
Not sure if a product contains Brown FK? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E154 — with a plain-language explanation.
Frequently asked questions about Brown FK
- Is Brown FK safe to eat?
- As a mixture of synthetic azoic compounds, it may cause intolerance in individuals sensitive to salicylates. As a histamine releaser, it may intensify asthma symptoms. When combined with benzoates (E 210-215), it can contribute to hyperactivity in children. It also presents a mutagenic risk.
- Is Brown FK banned anywhere?
- Brown FK is not currently banned in the EU or known to be restricted in other countries.
- How do I spot Brown FK on a food label?
- Look for E154, Brown FK in the ingredients list. It may also appear as: brown tk, brown fk, brown ik.
Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.