Sodium Meta-bisulfite
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What it is
Sodium metabisulfite is a white or slightly colored crystalline powder. It is a salt made from sulfur dioxide and sodium hydroxide. It is commonly produced industrially.
Why it's used
Sodium metabisulfite is used as a preservative and antioxidant in various foods, especially dried fruits and processed potatoes. It helps prevent browning and spoilage. It is also used in winemaking to inhibit bacterial growth.
Health notes
In the US, sodium metabisulfite is generally recognized as safe (GRAS) by the FDA when used according to good manufacturing practices. It can cause allergic-type reactions in sensitive individuals, particularly those with asthma. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) and the European Food Safety Authority (EFSA) have evaluated sulfites, including sodium metabisulfite, and established acceptable daily intake levels. Evidence regarding its effects at typical consumption levels is generally reassuring, but sensitivity reactions are a known concern.
Allergen info
Not a major allergen. Sulfites are not among the nine major allergens defined by the FDA.
Products containing Sodium Meta-bisulfite
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Rite Aid Corporation
Original 100% Coconut Water, Original
20kcal
—Protein
0Fat
5.3Carbs
Giant Eagle, Inc.
Fajita Flour Tortillas, Fajita
225kcal
—Protein
5.6Fat
31.0Carbs
Saker ShopRites, Inc.
Apple Buns, Apple
High in saturated fat — 35% DV per serving
545kcal
9.1Protein
29.1Fat
67.3Carbs
Byerly Foods International
Creamy Fruit Fresh Dip, Creamy Fruit
367kcal
3.3Protein
15Fat
43.3Carbs