Sulfur Dioxide Sodium Bisulfite

Sulfur dioxide is a gas produced by burning sulfur. Sodium bisulfite is a salt made from sulfur dioxide. These compounds are often used together in food processing.

Sulfur dioxide and sodium bisulfite act as preservatives and antioxidants. They help prevent spoilage and maintain the color of dried fruits and vegetables. They are commonly found in dried fruits like apricots and peaches, as well as in some wines and processed potatoes.

Sulfur dioxide and sulfites are permitted food additives in the US. They are generally recognized as safe (GRAS) for use in food. However, some individuals may be sensitive to sulfites, experiencing reactions like asthma symptoms. JECFA and EFSA have evaluated sulfites and established acceptable daily intakes. Evidence does not suggest a link between typical sulfite consumption and adverse health effects.