What is E491?

Sorbitan monostearate is an ester of sorbitan and stearic acid and is sometimes referred to as a synthetic wax. E491 sits in the E400–E499 series, which in the EU classification mainly covers thickeners, stabilisers and emulsifiers.

What is E491 used for?

E491 belongs to the emulsifiers group. Emulsifiers help water and fat mix, found in everything from chocolate to bread. Most are considered safe.

Is E491 safe?

E491 is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E491 appears on labels

On food packaging you'll find E491 either as the number “E491” or by the name “Sorbitan monostearate” 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 E491 vegan?

Yes, E491 is suitable for vegans.