Ethyl Maltol
Also known as: E637
Ethyl maltol is approved by FDA (21 CFR 172.515) as a synthetic flavoring substance and authorized in the EU (E637). JECFA established an ADI of 0–2 mg/kg bw for the maltol/ethyl maltol group.
What it is
Ethyl maltol (E637) is a synthetic flavor enhancer with a sweet, caramel-like aroma; chemically 2-ethyl-3-hydroxy-4H-pyran-4-one.
Flavor enhancer; modifies sweetness perception.
Why it's flagged
- minor: rare allergic reactions
What regulators actually say
"Ethyl maltol is among synthetic flavoring substances and adjuvants permitted for use in food (21 CFR 172.515)."
"EFSA evaluated maltol (E 636) and ethyl maltol (E 637) and concluded that current uses do not raise safety concerns at the reported levels of use."
Regulatory status
United States — FDA
Permitted as synthetic flavoring substance under 21 CFR 172.515.
European Union — EFSA
Authorized as E637; JECFA group ADI 0–2 mg/kg bw.
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