AdditivesE224 - Potassium metabisulphite
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E224 - Potassium metabisulphite
Open Food Facts additive identifier: en:e224
AntioxidantPreservative
Vegan
Yes
Vegetarian
Yes
Risk Level
High
Description
POTASSIUM METABISULFITE, K2S2O5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent sulfur odour. The main use for the chemical is as an antioxidant or chemical sterilant.
Sources
EFSA Evaluation
Scientific Opinion on the re-evaluation of sulfur dioxide -E 220-, sodium sulfite -E 221-, sodium bisulfite -E 222-, sodium metabisulfite -E 223-, potassium metabisulfite -E 224-, calcium sulfite -E 226-, calcium bisulfite -E 227- and potassium bisulfite -E 228- as food additives
Open EFSA source