E224
Potassium metabisulphite
Preservative · Antioxidant
What it is
A sulphite preservative, common in winemaking.
What it does
Preservative
Slows spoilage caused by micro-organisms, so food stays safe for longer.
Antioxidant
Slows the reaction with oxygen that turns fats rancid and cut fruit brown.
Regulatory position
European Union
Authorised for use in food
Must be declared as an allergen above 10 mg/kg or 10 mg/litre.
Authorisation in one country says nothing about another, and the absence of a record here is not evidence either way. Where precision matters, follow the citation to the regulation itself.
Found in 1 product in the FoodSignal database.