Polyoxyethylene (40) stearate
Function: Emulsifier
E431 is the European food-additive number for Polyoxyethylene (40) stearate, an emulsifier — helps ingredients that normally separate, like oil and water, stay mixed. Polyoxyethylene (40) stearate (E431) is an emulsifier used as a food additive.
What is E431 used for?
Polyoxyethylene (40) stearate (E431) is an emulsifier — helps ingredients that normally separate, like oil and water, stay mixed. It is added during food production for a technological purpose rather than for nutrition.
Is E431 safe or restricted?
E431 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned.
Frequently asked questions about E431
- What is E431?
- E431 is the E-number for Polyoxyethylene (40) stearate, an emulsifier — helps ingredients that normally separate, like oil and water, stay mixed. Polyoxyethylene (40) stearate (E431) is an emulsifier used as a food additive.
- What is E431 used for?
- Polyoxyethylene (40) stearate (E431) is an emulsifier — helps ingredients that normally separate, like oil and water, stay mixed. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Is E431 vegan or vegetarian?
- It depends on the source. Many additives can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which was used. The Forkin app shows the verified vegan and vegetarian status per product where it's known, instead of a blanket guess.
- Is E431 safe, and is it banned anywhere?
- E431 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E431 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.