As So2
This entry is a label phrase. See the main ingredient page: So2.
What is As So2?
Sulfur dioxide (SO2) is a gas that occurs naturally in small amounts. It is often produced industrially by burning sulfur or by heating metal sulfides. It is commonly used in a liquid or solid form (as sulfites).
Is As So2 vegan?
As So2 is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is As So2 gluten-free?
They do not contain gluten.
Is As So2 a major allergen?
Sulfur dioxide and sulfites are not derived from any of the 9 FDA major allergens.
What is As So2 used for?
Sulfur dioxide and sulfites are used as preservatives in many foods, especially dried fruits, wines, and processed potatoes.
Is As So2 safe?
Sulfur dioxide and sulfites are generally recognized as safe (GRAS) by the FDA when used according to good manufacturing practices.
Why it's used
Sulfur dioxide and sulfites are used as preservatives in many foods, especially dried fruits, wines, and processed potatoes. They prevent spoilage by inhibiting the growth of bacteria, yeasts, and molds. They also act as antioxidants, preventing browning and maintaining color.
Health notes
Sulfur dioxide and sulfites are generally recognized as safe (GRAS) by the FDA when used according to good manufacturing practices. However, some individuals, particularly those with asthma, may be sensitive to sulfites, experiencing reactions like wheezing or hives. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) and the European Food Safety Authority (EFSA) have evaluated sulfites and established acceptable daily intakes.
Allergen info
Sulfur dioxide and sulfites are not derived from any of the 9 FDA major allergens. They do not contain gluten.
Foods that contain As So2
Compare products →
Learn more
Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.