E631 — Disodium inosinate

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 172.535.

Technical effects listed by the FDA: flavor enhancer, stabilizer or thickener

The inventory is a partial list, and a listing is not an FDA approval of every use; the regulations set the permitted uses.

U.S. Food and Drug Administration, Substances Added to Food (updated 9/8/2026), public domain · CAS 4691-65-0 via Wikidata (CC0)