With Natural Sulfites
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What it is
Sulfites are naturally occurring compounds containing sulfur and oxygen. They are found in small amounts in some foods and are also produced by the body during metabolism. In food production, sulfites can be added as preservatives.
Why it's used
Manufacturers add sulfites to foods to prevent spoilage by inhibiting the growth of mold, yeast, and bacteria. They also act as antioxidants, preventing browning in fruits and vegetables and preserving the color of dried fruits. They are commonly found in dried fruits, wine, and some processed foods.
Health notes
In the United States, sulfites are generally recognized as safe (GRAS) when used according to good manufacturing practices, though they must be declared on food labels if present above 10 parts per million. Some individuals, particularly those with asthma, may be sensitive to sulfites and experience allergic-type reactions. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated sulfites and established an acceptable daily intake. Evidence regarding the extent and prevalence of sulfite sensitivity is mixed.
Allergen info
Sulfites are not one of the nine FDA major food allergens. They do not contain gluten.