E621

Monosodium glutamate

E Number E621
Name Monosodium glutamate
Class Others
Groups Group I, Glutamic acid — glutamates
Additional details Flavor enhancer
Origin Unknown
Common sources
Common applications Chips, snacks, soups (in powder), pâtés, pizzas, charcuterie, sauces, spices, rice, pre-cooked foods, olives, charcuterie, meat products, fish derivatives
Observations At low doses cause excitotoxicity and neurotoxicity being able to quickly destroy neurons. It is also contraindicated in persons suffering neurologic disorders. At high doses, may cause allergic reactions and asthma.
Evaluation To avoid

Search for Monosodium glutamate in scientific databases

ScienceDirect
SpringerLink
PubMed
Google Scholar
Research Gate

Conditions of use in food categories

Category Number Category Name Maximum Level (mg/l or mg/kg as appropriate) Details Restrictions/exceptions
12.1.2 Salt substitutesquantum satis 
12.2.2 Seasonings and condimentsquantum satis