A synthetic preservative widely used in acidic foods and drinks — soft drinks, fruit juices, pickles, and condiments. It stops mould and bacteria from growing, extending shelf life. When combined with vitamin C (ascorbic acid) in drinks, it can form benzene, a known carcinogen — though levels are typically low. EFSA and FDA consider it safe at authorised levels, but some studies link it to hyperactivity in children, particularly in combination with certain artificial colours.
Want to know if a product you eat contains E 211? Open FoodScan in Telegram, photograph any food product label and get your analysis.
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