Ingredient

Salt Sodium Tripolyphosphate

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Source
Not animal-derived
Allergen
No
Role in food
STPP is a common additive in processed meats and seafood. It helps retain moisture, …

What it is

Sodium tripolyphosphate (STPP) is a synthetic compound made from sodium salts. It is a white powder that dissolves easily in water. It is often used in food processing to improve texture and moisture retention.

Why it's used

STPP is a common additive in processed meats and seafood. It helps retain moisture, which can make products like shrimp and chicken appear plumper and juicier. It also acts as a stabilizer and can improve the texture of processed foods.

Health notes

The U.S. Food and Drug Administration (FDA) lists sodium tripolyphosphate as Generally Recognized As Safe (GRAS) for use in food. Regulatory bodies like the Joint FAO/WHO Expert Committee on Food Additives (JECFA) and the European Food Safety Authority (EFSA) have evaluated STPP. High intake of phosphates, including those from STPP, can be a concern for individuals with kidney problems. However, for most people, the body regulates phosphate levels effectively.

Allergen info

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

Products containing Salt Sodium Tripolyphosphate

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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.