What is E231?

E231 (Orthophenyl phenol) is a preservatives food additive. Fungicide for citrus fruit surface. E231 sits in the E200–E299 series, which in the EU classification mainly covers preservatives.

What is E231 used for?

E231 belongs to the preservatives group. Preservatives stop food from spoiling by slowing bacteria, mould and yeast. Most are safe, though some people limit certain ones.

Is E231 safe?

E231 is one of the additives Skaren flags as “avoid”. Many people choose to limit their intake of it. “Avoid” means it is linked to health concerns, requires a warning label, or is banned in some countries.

How E231 appears on labels

On food packaging you'll find E231 either as the number “E231” or by the name “Orthophenyl phenol” 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 E231 vegan?

Yes, E231 is suitable for vegans.