What is E477?
E477 is Propylene glycol esters of fatty acids, an emulsifier. Depends on the fat source.
Also written as: INS 477, E-477, E 477. INS is the international numbering system used outside Europe, including on labels in Asia, Australia and the Middle East.
What to do
Look for a halal logo, a "vegan" label, or a stated plant source on the pack. If none of these are present, you can contact the manufacturer and ask for the source.
Frequently asked questions
Is E477 halal?
E477 (Propylene glycol esters of fatty acids) is doubtful (mushbooh). Depends on the fat source.
What is E477 made from?
Fatty acids from plant or animal fats.
What is E477 used for?
E477 is used as an emulsifier, typically in bread, cakes, biscuits, chocolate, ice cream and margarine.
What should I do if a product contains E477?
Look for a halal logo, a "vegan" label, or a stated plant source on the pack. If none of these are present, you can contact the manufacturer and ask for the source.
Related E-numbers
Last reviewed 2026-10-06. How we decide · Suggest a correction