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What colour is E102?

Published in Food Colouring 1 min read

E102, also known as Tartrazine, is lemon yellow in colour. It is a synthetic yellow azo dye primarily used as a food colorant.

Here's a breakdown:

  • E102 is the European Union designation for Tartrazine. This code is used on food packaging within the EU to identify the additive.

  • Tartrazine is an azo dye. This means it contains a specific nitrogen-based chemical structure (an azo group - N=N) which contributes to its vibrant color.

  • Lemon Yellow Colour: Tartrazine imparts a bright, slightly greenish-yellow hue to products, similar to the color of a lemon.

Tartrazine is widely used in various food products, including:

  • Soft drinks
  • Sweets and confectionery
  • Snack foods
  • Ice cream
  • Canned vegetables
  • Processed foods

It's important to note that some individuals are sensitive or allergic to Tartrazine and may experience adverse reactions. Therefore, proper labeling of food products containing E102/Tartrazine is crucial.