Sulfur Dioxide Corn Syrup
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What it is
Sulfur dioxide corn syrup is a sweetener made from corn starch. It is produced by treating corn syrup with sulfur dioxide, a gas that helps preserve the syrup and prevent browning.
Why it's used
It is used as a sweetener and preservative in various baked goods, particularly cookies and biscuits. The sulfur dioxide content helps extend shelf life and maintain the product's appearance.
Health notes
Sulfur dioxide is a common preservative. The FDA lists it as Generally Recognized As Safe (GRAS) when used according to good manufacturing practices. Some individuals, particularly those with asthma, may be sensitive to sulfites, which are derived from sulfur dioxide, and can experience adverse reactions. JECFA and EFSA have evaluated sulfites and established acceptable daily intakes.
Allergen info
Sulfur dioxide corn syrup is not derived from any of the 9 FDA major allergens. It does not contain gluten.