Additive
E503ii — Ammonium hydrogen carbonate · page 9
E503ii (Ammonium hydrogen carbonate) appears in the ingredient lists of 712 products sold in the United Kingdom.
712products with a complete record
3%rated A or B on Nutri-Score
26.4 gsugars per 100 g (median)
0.61 gsalt per 100 g (median)
Nutri-Score
How rated products spread
A 1%B 2%C 7%D 16%E 74%
592 rated products
Median values
Per 100 g, across all 712 products
| Energy | 473 kcal |
| Sugars | 26.4 g |
| Saturates | 10.1 g |
| Salt | 0.61 g |
Categories
Most represented
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 184.1135.
Technical effects listed by the FDA: dough strengthener, leavening agent, ph control agent, texturizer
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 1066-33-7 via Wikidata (CC0)
Products
712 products, most viewed first · page 9 of 15.
N
Nairn's Fruit and Spice BiscuitsNairn's1 scan
Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).