Ingredient · E223

Sodium Metabisulfite Added As Preservative

Source
Not animal-derived
Allergen
No
Role in food
Sodium metabisulfite is added to foods to prevent spoilage and maintain color. It is …

What is Sodium Metabisulfite Added As Preservative?

Sodium metabisulfite is a white or slightly yellow crystalline powder. It is a salt made from sulfur dioxide and sodium hydroxide. It is used as a preservative and antioxidant in food.

Is Sodium Metabisulfite Added As Preservative vegan?

Sodium Metabisulfite Added As Preservative is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Sodium Metabisulfite Added As Preservative gluten-free?

It does not contain gluten.

Is Sodium Metabisulfite Added As Preservative a major allergen?

Sodium metabisulfite is not derived from any of the nine major allergens.

What is Sodium Metabisulfite Added As Preservative used for?

Sodium metabisulfite is added to foods to prevent spoilage and maintain color.

Is Sodium Metabisulfite Added As Preservative safe?

Sodium metabisulfite is generally recognized as safe (GRAS) by the FDA when used as a preservative.

Why it's used

Sodium metabisulfite is added to foods to prevent spoilage and maintain color. It is often found in dried fruits, wines, and processed potatoes. It helps to inhibit the growth of bacteria and mold.

Health notes

Sodium metabisulfite is generally recognized as safe (GRAS) by the FDA when used as a preservative. It can cause allergic reactions in some individuals, particularly those with asthma. JECFA and EFSA have evaluated sodium metabisulfite and established acceptable daily intakes. Some studies suggest it may degrade certain B vitamins in food.

Allergen info

Sodium metabisulfite is not derived from any of the nine major allergens. It does not contain gluten.

Foods that contain Sodium Metabisulfite Added As Preservative

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.