Monoammonium Glutamate
Also known as: E624
EFSA's 2017 reevaluation derived a group ADI of 30 mg/kg bw/day for glutamates E620-625 (based on a NOAEL for neurodevelopmental effects). EFSA noted that estimated dietary exposure may exceed this ADI for high consumers including toddlers and children, leading to lower maximum permitted levels in the EU.
What it is
Monoammonium L-glutamate; the ammonium salt of glutamic acid. Flavor enhancer in the glutamate (E620-625) family.
Umami/flavor enhancer; salt-substitute component.
Why it's flagged
- EFSA-estimated dietary exposure may exceed ADI for high consumers, including toddlers and children
What regulators actually say
"EFSA re-assessed the safety of glutamates used as food additives and derived a group acceptable daily intake (ADI) of 30 mg/kg body weight per day for all six of these additives [E620-625]."
"Exposure to glutamates added to food may exceed the proposed ADI for individuals of all population groups whose diet is high in foods containing these additives, as well as for toddlers and children with medium exposure."
Regulatory status
United States — FDA
Glutamic acid salts GRAS (21 CFR 182.1); labeled with common or usual name.
European Union — EFSA
Authorized as E 624; group ADI 30 mg/kg bw/day (EFSA 2017 reevaluation).
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