Ingredient

Leavening: Potassium Acid Tartrate

Source
Not animal-derived
Allergen
No
Role in food
This ingredient acts as a leavening agent, reacting with baking soda to produce carbon …

What is Leavening: Potassium Acid Tartrate?

Potassium acid tartrate, also known as cream of tartar, is a white, powdery acid salt. It is a byproduct of winemaking, derived from tartaric acid found in grapes. It is purified and processed for use as a food ingredient.

Is Leavening: Potassium Acid Tartrate vegan?

Leavening: Potassium Acid Tartrate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Leavening: Potassium Acid Tartrate a major allergen?

Not a major allergen.

What is Leavening: Potassium Acid Tartrate used for?

This ingredient acts as a leavening agent, reacting with baking soda to produce carbon dioxide gas, which makes baked goods rise.

Is Leavening: Potassium Acid Tartrate safe?

Potassium acid tartrate is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

This ingredient acts as a leavening agent, reacting with baking soda to produce carbon dioxide gas, which makes baked goods rise. It is commonly found in cookies, cakes, and other baked goods. It can also help stabilize egg whites and prevent sugar crystallization.

Health notes

Potassium acid tartrate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of potassium, an essential mineral. JECFA has evaluated potassium acid tartrate and established an acceptable daily intake. It is not associated with significant health controversies at typical consumption levels.

Allergen info

Not a major allergen.

Foods that contain Leavening: Potassium Acid Tartrate

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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.