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E131 (patent blue V): what it is, its sources, vegan or not

E131 is patent blue V, a colour. E131 is made in a lab. 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

E131=made in a lab

What is E131?

E131 (patent blue V) is a colour, an additive that adds or restores colour in a food. Not permitted in food in the United States.

What is E131 made from?

  • Made in a lab

Is E131 vegan?

Fits you. E131 is made in a lab. 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 youE131 is made in a lab. Nothing from an animal.
VegetarianFits youE131 is made in a lab. Nothing from an animal.

What other names does E131 have on a label?

Any of these on a pack means E131. The checker reads them all.

E131E 131E-131INS 131Colour (131)Colour (E131)Patent blue V

What would change the answer for E131?

For E131, 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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