Acid or acidity regulator

E331 (sodium citrates): what it is, its sources, vegan or not

E331 is sodium citrates, an acidity regulator. E331 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

E331=fermentation or a lab

What is E331?

E331 (sodium citrates) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is.

What is E331 made from?

E331 can come from fermentation or a lab.

  • Fermentation
  • Made in a lab

Is E331 vegan?

Fits you. E331 can come from fermentation or a lab. Nothing from an animal.

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

VeganFits youE331 can come from fermentation or a lab. Nothing from an animal.
VegetarianFits youE331 can come from fermentation or a lab. Nothing from an animal.

What other names does E331 have on a label?

On a label, E331 can also appear as “INS 331”, “Acidity regulator (331)”, “Acidity regulator (E331)” or “Sodium citrates”.

Any of these on a pack means E331. The checker reads them all.

E331E 331E-331INS 331Acidity regulator (331)Acidity regulator (E331)Sodium citrates

What would change the answer for E331?

For E331, 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).

Create a website profile with the things you avoid and the people you check for.

Build my profile

Save and edit your profile on this website. App transfer is not available yet.