Ingredient · E224

And Potassium Metabisulfite

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add potassium metabisulfite to foods as a preservative to prevent spoilage and maintain …

This entry is a label phrase. See the main ingredient page: Potassium Metabisulfite.

What is And Potassium Metabisulfite?

Potassium metabisulfite is a white or slightly yellowish crystalline powder. It is a salt of sulfurous acid, produced by reacting potassium carbonate or potassium hydroxide with sulfur dioxide. It is often used as a preservative and antioxidant.

Is And Potassium Metabisulfite vegan?

And Potassium Metabisulfite is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is And Potassium Metabisulfite gluten-free?

It does not contain gluten.

Is And Potassium Metabisulfite a major allergen?

Not a major allergen.

What is And Potassium Metabisulfite used for?

Manufacturers add potassium metabisulfite to foods as a preservative to prevent spoilage and maintain color.

Is And Potassium Metabisulfite safe?

Potassium metabisulfite is generally recognized as safe (GRAS) by the FDA for use as a preservative.

Why it's used

Manufacturers add potassium metabisulfite to foods as a preservative to prevent spoilage and maintain color. It also acts as an antioxidant, protecting against oxidation. It is commonly found in dried fruits, wines, pickles, olives, and fruit juices.

Health notes

Potassium metabisulfite is generally recognized as safe (GRAS) by the FDA for use as a preservative. It can cause allergic reactions in some individuals, particularly those with asthma or sulfite sensitivity. The European Food Safety Authority (EFSA) has evaluated sulfites, including potassium metabisulfite, and established acceptable intake levels. JECFA has also evaluated it.

Allergen info

Not a major allergen. It does not contain gluten.

Foods that contain And Potassium Metabisulfite

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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: October 5, 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.