Monopotassium Glutamate E622
umami — Primarily synthetic.
Potassium L-glutamate
CAS: 19473-49-5
Factual Regulatory Reference
This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.
? Did You Know?
Monopotassium Glutamate is produced through fermentation — the same biological process used to make bread, beer, and yogurt.
In the EU, Monopotassium Glutamate has a "quantum satis" authorization — Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.
Detailed Regulatory Assessment
United States (FDA)
Generally recognized as safe
Japan (MHLW)
Compliant with Japanese food sanitation law.
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Everyday Perspective
For a 60kg adult, this limit is roughly equivalent to consuming:
Natural Occurrence
This additive is not known to occur naturally in significant quantities.
Manufacturing
Produced by neutralizing glutamic acid (from fermentation) with potassium hydroxide or potassium carbonate.