What is E131?
E131 is Patent Blue V — a synthetic triarylmethane dye, used as a food colouring to help add or restore colour to foods and drinks.
What is E131 (Patent Blue V)?
E131 is the E-number for patent blue v, one of the food colourings group of food additives (E100–E199). Additives in this group add or restore colour to foods and drinks. A synthetic triarylmethane dye. Like every E-number, E131 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E131 in detail below.
Where is E131 found?
E131 is typically used in sweets, soft drinks, desserts, ice cream, sauces and snacks. You'll find it listed in the ingredients either by its E-number (E131) or by its full name, patent blue v. Common foods that may contain E131 include:
- Sweets
- Soft drinks
- Desserts
- Ice cream
- Sauces and snacks
Full guide: foods containing E131 and how to spot it on labels →
Is E131 safe?
E131 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E131 is not considered harmful.
EFSA status: Authorised in the EU — acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority
Is E131 vegan?
E131 is vegan. A synthetic triarylmethane dye, with no animal involvement in standard production.
Full vegan status guide for E131 →Is E131 halal?
E131 is halal. A synthetic triarylmethane dye, with no haram source involved.
Full halal status guide for E131 →Frequently Asked Questions
What is E131 in food?
E131 is Patent Blue V — a synthetic triarylmethane dye, used as a food colouring to help add or restore colour to foods and drinks.
Is E131 safe to eat?
E131 is approved at regulated levels in the EU, UK and US, but some concerns exist — see the safety section above. Most people can consume it in normal amounts without harm.
Is E131 vegan?
E131 is vegan. A synthetic triarylmethane dye, with no animal involvement in standard production.
Is E131 halal?
E131 is halal. A synthetic triarylmethane dye, with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).