Fast Yellow Ab
Also known as: E105
E105 (Fast Yellow AB) was an azo dye that was removed from the EU permitted food additives list and is not approved for use in the United States. Its use in food is prohibited in both major regulatory regions.
What it is
Fast Yellow AB (E105) is an azo dye historically used as a food colorant; now obsolete and not approved in either the EU or US.
Historical use as a yellow food colorant; no longer permitted.
Why it's flagged
- banned/not authorized in EU and US
- azo dye safety concerns
What regulators actually say
"Color additives must be approved by FDA before being used in food, drugs, cosmetics, or medical devices in the United States; only approved color additives are listed."
"Regulation (EC) No 1333/2008 establishes the EU list of food additives approved for use; substances not on this list are not authorised."
Regulatory status
United States — FDA
Not approved for use as a color additive in food in the United States.
European Union — EFSA
Not authorized as a food additive in the EU; not on the permitted list under Regulation (EC) No 1333/2008.
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