Ingredient · E102g

E102g

Source
Not animal-derived
Allergen
No
Role in food
It is used to impart a yellow colour to a variety of food products. …

What is E102g?

E102g is a synthetic yellow food colouring. It is a mixture of tartrazine (E102) and indigotine (E132). Tartrazine is a synthetic azo dye, while indigotine is a synthetic indigo dye.

Is E102g vegan?

E102g is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is E102g a major allergen?

E102g is not derived from any of the 14 major allergens.

What is E102g used for?

It is used to impart a yellow colour to a variety of food products.

Is E102g safe?

E102g is authorised as a food additive in Great Britain and is listed on the Register of Food Additive Authorisations.

Why it's used

It is used to impart a yellow colour to a variety of food products. It is commonly found in confectionery, beverages, and desserts. Its use in tuna chunks is to provide a consistent yellow hue.

Health notes

E102g is authorised as a food additive in Great Britain and is listed on the Register of Food Additive Authorisations. Tartrazine (E102) has been associated with hyperactivity in some children, although the evidence is mixed and regulatory bodies like the FSA and EFSA have not established a direct causal link at typical consumption levels. EFSA and JECFA have evaluated tartrazine and indigotine. Some individuals may experience allergic-type reactions to tartrazine.

Allergen info

E102g is not derived from any of the 14 major allergens. Not a major allergen.

Foods that contain E102g

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Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.