Ingredient · E501

E501

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Source
Not animal-derived
Allergen
No
Role in food
Potassium carbonate is used as an acidity regulator and leavening agent in baking. It …

What it is

Potassium carbonate is a potassium salt of carbonic acid. It is typically produced by reacting potassium hydroxide with carbon dioxide. It appears as a white powder or colorless crystals and is soluble in water.

Why it's used

Potassium carbonate is used as an acidity regulator and leavening agent in baking. It can also be used as a stabilizer and drying agent. It is found in baked goods, cocoa products, and some dried fruits.

Health notes

Potassium carbonate is generally recognized as safe (GRAS) by the FDA for use in food. It is an essential mineral that plays a role in maintaining fluid balance and nerve function. International bodies like JECFA and EFSA have evaluated potassium carbonate and established acceptable intake levels. At typical dietary levels, it is not associated with adverse health effects.

Allergen info

Potassium carbonate is not derived from any of the 9 FDA major allergens. It does not contain gluten.

Products containing E501

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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.