Preservatives · E200–E299
E223, also known as Sodium metabisulphite, is a preservatives food additive. Sulphite preservative commonly used in wine. Skaren rates it “moderate”. It is suitable for vegans.
What is E223?
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. E223 sits in the E200–E299 series, which in the EU classification mainly covers preservatives.
What is E223 used for?
E223 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 E223 safe?
E223 is rated “moderate”. It is approved for use in food, but some people prefer to limit it. “Moderate” means it is approved, but is debated or something some people prefer to limit.
How E223 appears on labels
On food packaging you'll find E223 either as the number “E223” or by the name “Sodium metabisulphite” 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 E223 vegan?
Yes, E223 is suitable for vegans.
This information is for guidance only and is not medical advice.
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