Sulfur Dioxide
What is Sulfur Dioxide?
Sulfur dioxide (SO2) is a gas that occurs naturally in small amounts. It is often produced industrially by burning sulfur. It is commonly used in food production as a preservative.
Is Sulfur Dioxide vegan?
Sulfur Dioxide is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Sulfur Dioxide gluten-free?
It does not contain gluten.
Is Sulfur Dioxide a major allergen?
Sulfur dioxide is not derived from any of the nine FDA major allergens.
What is Sulfur Dioxide used for?
Sulfur dioxide is added to foods to prevent spoilage by inhibiting the growth of bacteria, yeasts, and molds.
Is Sulfur Dioxide safe?
Sulfur dioxide is generally recognized as safe (GRAS) by the FDA when used as a preservative.
Why it's used
Sulfur dioxide is added to foods to prevent spoilage by inhibiting the growth of bacteria, yeasts, and molds. It also acts as an antioxidant, preserving the color and flavor of foods. It is frequently found in dried fruits, wines, and some processed vegetables.
Health notes
Sulfur dioxide is generally recognized as safe (GRAS) by the FDA when used as a preservative. It can cause allergic-type reactions in some individuals, particularly those with asthma. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated sulfur dioxide and set an acceptable daily intake. Evidence regarding its long-term health effects at typical consumption levels is mixed, with some studies suggesting potential adverse effects while others find no significant issues.
Allergen info
Sulfur dioxide is not derived from any of the nine FDA major allergens. It does not contain gluten.
Foods that contain Sulfur Dioxide
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