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Preservative

E224 (potassium metabisulphite): what it is, its sources, vegan or not

E224 is potassium metabisulphite, a preservative. E224 can come from a lab or minerals. Vegan and vegetarian profiles get Fits you.

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E224=a lab or minerals

What is E224?

E224 (potassium metabisulphite) is a preservative, an additive that makes a food keep longer by protecting it from microbes. Sulphites above 10 mg per kg or litre must be declared as an allergen in the EU and UK.

Full guide: Sulphites

What is E224 made from?

E224 can come from a lab or minerals.

  • Made in a lab
  • Minerals

Is E224 vegan?

Fits you. E224 can come from a lab or minerals. Nothing from an animal.

What the app says to each profile, and the reason it shows.

VeganFits youE224 can come from a lab or minerals. Nothing from an animal.
VegetarianFits youE224 can come from a lab or minerals. Nothing from an animal.

What other names does E224 have on a label?

On a label, E224 can also appear as “INS 224”, “Preservative (224)”, “Preservative (E224)”, “Potassium metabisulphite” or “Potassium metabisulfite”.

Any of these on a pack means E224. The checker reads them all.

E224E 224E-224INS 224Preservative (224)Preservative (E224)Potassium metabisulphitePotassium metabisulfite

What would change the answer for E224?

For E224, only the ingredient list itself: a code the camera cannot read gets Needs one more scan, and the app never guesses a code it cannot see.

Sources: EU, US and Codex additive rules

Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.

  1. EU Regulation 1333/2008 on food additives (the E-number list)
  2. EU Regulation 1169/2011, Annex II: the allergen sources a label must name
  3. US FDA: Food Additive Status List
  4. FAO/WHO Codex: General Standard for Food Additives (GSFA) online

Names and classes cross-checked with Open Food Facts (Open Database License).

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