E517 — Ammonium sulphate
E517 (Ammonium sulphate) appears in the ingredient lists of 9 products sold in Singapore.
Nutri-Score
8 rated products
Median values
| Energy | 238 kcal |
| Sugars | 4.1 g |
| Saturates | 1.2 g |
| Salt | 0.82 g |
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 184.1143.
Technical effects listed by the FDA: dough strengthener, firming agent, flavor enhancer, flavoring agent or adjuvant, flour treating agent, leavening agent, malting or fermenting aid, processing aid
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 7783-20-2 via Wikidata (CC0)
Products
9 products, most viewed first.








Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).