What it is and where it comes from
E471 is the most common emulsifier in food. It is made by heating fats or oils with glycerol, which splits them into mono- and diglycerides. Most E471 today is made from palm, soy, sunflower or rapeseed oil. Some is made from beef or pork fat. Chemically the result is the same, so you cannot tell from the product itself.
What scholars say
- Halal certifiers accept E471 only from plants or from halal-slaughtered animals.
- Some scholars, mainly in the Hanafi school, hold that the chemical change from fat to E471 is a full transformation (istihalah), so even animal E471 is pure. Most certifiers do not follow this for pork.
Where you find it
Bread, cakes, biscuits, ice cream, margarine, chocolate, whipped cream, crisps, instant mash and baby formula.
What to look for on the label
Halal if the label says "E471 (vegetable)" or "mono- and diglycerides of fatty acids (of plant origin)", or if the product is vegan or carries a halal logo. A plain "E471" tells you nothing: ask the maker. In Europe, many large brands confirm a plant source by email.
This is a guide, not a fatwa. Recipes change, so check the label, look for halal certification, and ask your local imam where scholars differ.