Learn Glossary preservative

Sulfur Dioxide(E220)

Level 5High concernIn Winter's Dictionary

Sulfur Dioxide is a preservative — Bleaching, antioxidant, preservative, antibrowning

What it does

Bleaching, antioxidant, preservative, antibrowning

Where you'll see it

wine, corn syrup, table syrup, jelly, dried fruit, beverages, dehydrated potatoes

What the research says

Poisonous, highly irritating; on EPA Extremely Hazardous Substances List; inhalation produces respiratory irritation and death when concentrated; destroys vitamin B1

Regulatory status

  • US FDA: GRAS
  • EU: approved
  • Notes: EPA Extremely Hazardous Substances List; allergen

Sources

  • A Consumer's Dictionary of Food Additives (Winter): on the EPA Extremely Hazardous Substances List; inhalation produces respiratory irritation and death