E224 — Potassium metabisulphite
E224 (Potassium metabisulphite) appears in the ingredient lists of 20 products sold in Ireland. Function: antioxidant, preservative.
Nutri-Score
15 rated products
Median values
| Energy | 77 kcal |
| Sugars | 2.4 g |
| Saturates | 0.40 g |
| Salt | 0.39 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 182.3637.
Technical effects listed by the FDA: antimicrobial agent, antioxidant, color or coloring adjunct, dough strengthener, flour treating agent, oxidizing or reducing 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 16731-55-8 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
| Country | Products |
|---|---|
| France | 2,141 |
| United States | 416 |
| Germany | 266 |
| Switzerland | 172 |
| Spain | 169 |
| Belgium | 125 |
| United Kingdom | 119 |
| Netherlands | 78 |
| Italy | 76 |
| Sweden | 48 |
| Morocco | 37 |
| India | 36 |
| Czechia | 28 |
| Hungary | 26 |
| Austria | 24 |
| Finland | 24 |
| Bulgaria | 20 |
| Ireland | 20 |
| Portugal | 19 |
| Australia | 14 |
| Croatia | 12 |
| Luxembourg | 11 |
| Denmark | 10 |
| Poland | 10 |
| Canada | 8 |
Products
20 products, most viewed first.
Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).