Patent blue v (E131)
Updated October 2, 2026
Patent blue v (E131) is a food additive in the “other additives” group. It appears in 954 products in our database, 4 of them sold in the US.
Quick facts
- Also known as
- E131
- E-number
- E131
- Function
- Other additives
- Found in
- 954 products (4 sold in the US)
Foods that commonly contain Patent blue v
Share of published products in each category whose ingredient list includes Patent blue v.
Popular products with Patent blue v
e NOVA 4 
NOVA 4 
e NOVA 4 
e NOVA 4 
e NOVA 4 
NOVA 4 
e NOVA 4 
e NOVA 4 Patent blue v-free alternatives
Popular products from the same categories that don't list Patent blue v and score Nutri-Score A–C.
a NOVA 4 
a NOVA 4 
b NOVA 4 
c NOVA 4 
c NOVA 4 How to spot Patent blue v on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Patent blue v?
In our database, Patent blue v most often appears in candies, gummi candies, sweetened beverages and boiled eggs.
How many products contain Patent blue v?
954 published products on Foodmetria list Patent blue v, including 4 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.
Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.