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Acid or acidity regulator

E351 (potassium malate): what it is, its sources, vegan or not

E351 is potassium malate, an acidity regulator. E351 is made in a lab. Vegan and vegetarian profiles get Fits you.

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E351=made in a lab

What is E351?

E351 (potassium malate) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is.

What is E351 made from?

E351 is made in a lab.

  • Made in a lab

Is E351 vegan?

Fits you. E351 is made in a lab. Nothing from an animal.

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

VeganFits youE351 is made in a lab. Nothing from an animal.
VegetarianFits youE351 is made in a lab. Nothing from an animal.

What other names does E351 have on a label?

On a label, E351 can also appear as “INS 351”, “Acidity regulator (351)”, “Acidity regulator (E351)” or “Potassium malate”.

Any of these on a pack means E351. The checker reads them all.

E351E 351E-351INS 351Acidity regulator (351)Acidity regulator (E351)Potassium malate

What would change the answer for E351?

For E351, 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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