What is E127?

Erythrosine, also known as E127 and Red No. 3, is an organoiodine compound, specifically a derivative of fluorone. E127 sits in the E100–E199 series, which in the EU classification mainly covers colours.

What is E127 used for?

E127 belongs to the colours group. Colours are added to give or restore colour to food. Some are natural, like curcumin from turmeric; some synthetic dyes are debated and require warning labels in the EU.

Is E127 safe?

E127 is rated “moderate”. It is approved for use in food, but some people prefer to limit it. “Moderate” means it is approved, but is debated or something some people prefer to limit.

How E127 appears on labels

On food packaging you'll find E127 either as the number “E127” or by the name “Erythrosine” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E127 vegan?

Yes, E127 is suitable for vegans.