Acid or acidity regulator

E501 (potassium carbonates): what it is, its sources, vegan or not

E501 is potassium carbonates, an acidity regulator. E501 comes from minerals. Vegan and vegetarian profiles get Fits you.

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E501=minerals

What is E501?

E501 (potassium carbonates) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is. Used in cocoa processing and in some noodles.

What is E501 made from?

E501 comes from minerals.

  • Minerals

Is E501 vegan?

Fits you. E501 comes from minerals. Nothing from an animal.

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

VeganFits youE501 comes from minerals. Nothing from an animal.
VegetarianFits youE501 comes from minerals. Nothing from an animal.

What other names does E501 have on a label?

On a label, E501 can also appear as “INS 501”, “Acidity regulator (501)”, “Acidity regulator (E501)” or “Potassium carbonates”.

Any of these on a pack means E501. The checker reads them all.

E501E 501E-501INS 501Acidity regulator (501)Acidity regulator (E501)Potassium carbonates

What would change the answer for E501?

For E501, 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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