Sulphur Dioxide
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A preservative derived from coal tar. Sulphur additives are toxic and in the United States of America, the Federal Drugs Administration have prohibited their use on raw fruit and vegetables.

Sulphur dioxide is produced by the combustion of sulphur or gypsum.

E220 is known to provoke asthma attacks and is difficult to metabolise for those with impaired kidney function. It also destroys vitamins B1 and E.

Typically found in beers, soft drinks, dried fruit, juices, cordials, wine, vinegar, and potato products.

Not recommended for consumption by children.