E297 — Fumaric acid · page 3

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 172.350, 172.808, 172.810, 172.822.

Technical effects listed by the FDA: antimicrobial agent, curing or pickling agent, flavoring agent or adjuvant, leavening agent, ph control agent

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 110-17-8 via Wikidata (CC0)