One of the FLAVORING AGENTS used to impart a meat-like flavor.
https://reptox.cnesst.gouv.qc.ca/pages/fiche-complete.aspx?no_produit=100891&nom=Glutamate+de+sodium Canada toxicological data sheet sodium glutamate
--- http://www.cochrane.org/fr/CD004357 2012 United Kingdom France French Asthma chronic review of literature asthma chronic disease adult child adolescent sodium glutamate french abstract Childhood asthma (disorder)