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Conservateur : E220
E220 is sulfur dioxide, a common food preservative used to prevent microbial growth and oxidation in foods and beverages.
Mineral or nutrientUpdated May 21, 2026
Health score-3.0
-5Poor5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Respiratory irritant especially for asthmatics, possible allergen, regulatory limits on exposure
Benefits
Inhibits spoilage and oxidation, extends shelf life of food products
References
Waters containing Conservateur : E220
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