E131Colorant

Patent blue v

Learn what Patent blue v (E131) is, why it's added to food, whether it's safe, and which products contain it.

Generally recognized as safe

What is Patent blue v?

E131 Patent Blue V is commonly used as a food additive to enhance the appearance of various products. It is found in sweets, beverages, and some dairy products. Its vibrant blue shade can be mixed with other colors to create a broad spectrum of shades.

Why is Patent blue v added to food?

Patent blue v (E131) is a colorant commonly found in: Sweets, beverages, and some dairy products. Its bright blue hue can be mixed with other colors to create a wide range of shades..

Permitted quantity: The acceptable daily intake for human consumption is 0-5mg/kg body weight.

Is Patent blue v safe?

Generally recognized as safe

Allergic reactions and hyperactivity in children. In rare cases, severe allergic reactions may occur, especially in individuals with a history of allergies to synthetic colorants. E131 Patent Blue V has also been associated with potential genotoxicity and carcinogenicity risks. However, current evidence is inconclusive, and further research is needed to fully understand these risks.

Is Patent blue v banned anywhere?

⚠ Restricted in some countries (not banned in the EU)

Is Patent blue v okay for kids?

This additive is not allowed in foods for children.

Common foods that contain Patent blue v

  • Sweets
  • beverages
  • and some dairy products. Its bright blue hue can be mixed with other colors to create a wide range of shades.

See the full list of foods that contain Patent blue v

How to spot Patent blue v on labels

Look for any of these names in the ingredients list:

  • E131
  • Patent blue v

Common misspellings to watch for:

  • pdtent blue v
  • datent blue v
  • patent blue v

Better alternatives

• It is considered safe if the daily intake is limited. There are claims that E131 may be carcinogenic. • This additive is banned in many countries, such as the USA, Australia, and Canada.

Explore homemade alternatives to processed snacks →

Also known as

  • pdtent blue v
  • datent blue v
  • patent blue v

Scan products with BioBrief

Not sure if a product contains Patent blue v? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E131 — with a plain-language explanation.

Frequently asked questions about Patent blue v

Is Patent blue v safe to eat?
Allergic reactions and hyperactivity in children. In rare cases, severe allergic reactions may occur, especially in individuals with a history of allergies to synthetic colorants. E131 Patent Blue V has also been associated with potential genotoxicity and carcinogenicity risks. However, current evidence is inconclusive, and further research is needed to fully understand these risks.
Is Patent blue v banned anywhere?
Patent blue v is not banned in the EU but is restricted in some countries.
Is Patent blue v safe for children?
This additive is not allowed in foods for children.
How do I spot Patent blue v on a food label?
Look for E131, Patent blue v in the ingredients list. It may also appear as: pdtent blue v, datent blue v, patent blue v.

Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.