Ingredient · E450(iii)

Portunus Pelagicus Sodium Acid Pyrophosphate

Source
Not animal-derived
Allergen
No
Role in food
SAPP is used in processed foods as a leavening agent, especially in baked goods …

What is Portunus Pelagicus Sodium Acid Pyrophosphate?

Sodium acid pyrophosphate (SAPP) is a white, crystalline powder. It is a salt made from phosphoric acid and sodium. It is often produced by heating sodium phosphate.

Is Portunus Pelagicus Sodium Acid Pyrophosphate vegan?

Portunus Pelagicus Sodium Acid Pyrophosphate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Portunus Pelagicus Sodium Acid Pyrophosphate gluten-free?

It does not contain gluten.

Is Portunus Pelagicus Sodium Acid Pyrophosphate a major allergen?

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

What is Portunus Pelagicus Sodium Acid Pyrophosphate used for?

SAPP is used in processed foods as a leavening agent, especially in baked goods like cakes and biscuits, where it reacts with baking soda to produce carbon dioxide gas.

Is Portunus Pelagicus Sodium Acid Pyrophosphate safe?

In the U.S., sodium acid pyrophosphate is generally recognized as safe (GRAS) by the FDA when used for its intended purposes.

Why it's used

SAPP is used in processed foods as a leavening agent, especially in baked goods like cakes and biscuits, where it reacts with baking soda to produce carbon dioxide gas. It also acts as an emulsifier and a sequestrant, helping to maintain texture and prevent discoloration in processed meats and seafood.

Health notes

In the U.S., sodium acid pyrophosphate is generally recognized as safe (GRAS) by the FDA when used for its intended purposes. It is a source of phosphorus, an essential mineral. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated SAPP and established an acceptable daily intake. Some research suggests that high phosphorus intake from all sources may be a concern for certain individuals, but typical dietary intake from food additives is not usually a cause for alarm.

Allergen info

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

Foods that contain Portunus Pelagicus Sodium Acid Pyrophosphate

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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.