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Acid or acidity regulator

E261 (potassium acetate): what it is, its sources, vegan or not

E261 is potassium acetate, an acidity regulator. E261 can come from fermentation or a lab. Vegan and vegetarian profiles get Fits you.

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E261=fermentation or a lab

What is E261?

E261 (potassium acetate) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is.

What is E261 made from?

E261 can come from fermentation or a lab.

  • Fermentation
  • Made in a lab

Is E261 vegan?

Fits you. E261 can come from fermentation or a lab. Nothing from an animal.

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

VeganFits youE261 can come from fermentation or a lab. Nothing from an animal.
VegetarianFits youE261 can come from fermentation or a lab. Nothing from an animal.

What other names does E261 have on a label?

On a label, E261 can also appear as “INS 261”, “Acidity regulator (261)”, “Acidity regulator (E261)” or “Potassium acetate”.

Any of these on a pack means E261. The checker reads them all.

E261E 261E-261INS 261Acidity regulator (261)Acidity regulator (E261)Potassium acetate

What would change the answer for E261?

For E261, 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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