E224 – Potassium Metabisulphite

Preservative

Description

Potassium metabisulfite is a white crystalline powder with a pungent sulfur odor; it is a sulfur dioxide releasing agent used as a preservative, antioxidant, and bleaching agent in food and beverages.

Risks

Adverse reactions, including bronchospasm and hives, primarily in sensitive individuals (e.g., asthmatics)