S02
What is S02?
Sulfites are a group of chemical compounds containing sulfur and oxygen. They occur naturally in small amounts in some foods and are also produced by the body. In food production, sulfites are often added as preservatives.
Is S02 vegan?
S02 is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is S02 gluten-free?
Gluten is also not typically associated with sulfites.
Is S02 a major allergen?
Sulfites are not one of the nine FDA major allergens.
What is S02 used for?
Sulfites are used to prevent spoilage and maintain the color and flavor of foods.
Is S02 safe?
The U.S. Food and Drug Administration (FDA) requires foods containing added sulfites to be labeled.
Why it's used
Sulfites are used to prevent spoilage and maintain the color and flavor of foods. They act as antioxidants and antimicrobial agents. You may find them in dried fruits, processed meats, and some baked goods.
Health notes
The U.S. Food and Drug Administration (FDA) requires foods containing added sulfites to be labeled. Some individuals, particularly those with asthma, may experience sensitivity reactions to sulfites, such as hives or breathing difficulties. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) and the European Food Safety Authority (EFSA) have evaluated sulfites, and regulatory bodies set limits for their use.
Allergen info
Sulfites are not one of the nine FDA major allergens. Gluten is also not typically associated with sulfites.
Foods that contain S02
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