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Preservative

E228 (potassium hydrogen sulphite): what it is, its sources, vegan or not

E228 is potassium hydrogen sulphite, a preservative. E228 can come from a lab or minerals. Vegan and vegetarian profiles get Fits you.

Decode another E-numberWhich E-numbers come from animals?Add vegan to my profile

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E228=a lab or minerals

What is E228?

E228 (potassium hydrogen sulphite) 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 E228 made from?

  • Made in a lab
  • Minerals

Is E228 vegan?

Fits you. E228 can come from a lab or minerals. Nothing from an animal.

Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.

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

VeganFits youE228 can come from a lab or minerals. Nothing from an animal.
VegetarianFits youE228 can come from a lab or minerals. Nothing from an animal.

What other names does E228 have on a label?

Any of these on a pack means E228. The checker reads them all.

E228E 228E-228INS 228Preservative (228)Preservative (E228)Potassium hydrogen sulphitePotassium bisulphitePotassium hydrogen sulfitePotassium bisulfite

What would change the answer for E228?

For E228, 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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