Ingredient · E451

Sodium Tripolyphosphate To Retain Moisture

Source
Not animal-derived
Allergen
No
Role in food
STPP is often added to processed foods, especially meats and seafood, to help them …

What is Sodium Tripolyphosphate To Retain Moisture?

Sodium tripolyphosphate (STPP) is a sodium salt of the polyphosphate system. It is produced industrially by heating a mixture of sodium pyrophosphate and monosodium phosphate or disodium phosphate.

Is Sodium Tripolyphosphate To Retain Moisture vegan?

Sodium Tripolyphosphate To Retain Moisture is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Sodium Tripolyphosphate To Retain Moisture gluten-free?

It does not contain gluten.

Is Sodium Tripolyphosphate To Retain Moisture a major allergen?

Sodium tripolyphosphate is not derived from any of the FDA's major allergens.

What is Sodium Tripolyphosphate To Retain Moisture used for?

STPP is often added to processed foods, especially meats and seafood, to help them retain moisture during cooking and storage.

Is Sodium Tripolyphosphate To Retain Moisture safe?

In the United States, sodium tripolyphosphate is generally recognized as safe (GRAS) by the FDA when used for its intended purpose.

Why it's used

STPP is often added to processed foods, especially meats and seafood, to help them retain moisture during cooking and storage. This improves texture and yield. It is commonly found in frozen fish and seafood, processed poultry, and some dairy products.

Health notes

In the United States, sodium tripolyphosphate is generally recognized as safe (GRAS) by the FDA when used for its intended purpose. It is also approved as a food additive. International bodies like JECFA have evaluated phosphates and set acceptable daily intakes. While phosphates are essential minerals, high intake of phosphorus from processed foods is a concern for individuals with kidney disease.

Allergen info

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

Foods that contain Sodium Tripolyphosphate To Retain Moisture

Compare products →
Breaded Flounder Fillets Quisling Media Breaded Flounder Fillets Frozen Fish & Seafood 223kcal 8.9Protein 9.8Fat 23.2Carbs Ho-Mai Inc Cooked Shrimp Frozen Fish & Seafood 82kcal 17.6Protein 0Fat 0Carbs Meridian Products, Inc. Easy To Peel - Pink Shrimp Frozen Fish & Seafood High in cholesterol — 57% DV per serving 107kcal 20.5Protein 1.8Fat 0.9Carbs TAMPA BAY FISHERIES, INC. Coastal Seafood Boil Custom Kit Frozen Dinners & Entrees High in sodium — 79% DV per serving High in saturated fat — 65% DV per serving High in cholesterol — 80% DV per serving 139kcal 11.4Protein 7.5Fat 6.8Carbs Kahiki Foods, Inc. Garlic Shrimp & Vegetables Frozen Dinners & Entrees High in sodium — 40% DV per serving High in cholesterol — 27% DV per serving 71kcal 4.5Protein 2.2Fat 7.7Carbs Pinnacle Foods Group LLC Salmon Large Fillets, Cracked Black Pepper & Sea Salt Frozen Fish & Seafood High in sodium — 29% DV per serving 181kcal 14.2Protein 6.3Fat 15.8Carbs Pinnacle Foods Group LLC Mrs. Paul's, Tilapia With A Parmesan & Roasted Garlic Crust Frozen Fish & Seafood High in sodium — 28% DV per serving 199kcal 14.2Protein 7.1Fat 18.4Carbs Pinnacle Foods Group LLC Mrs. Paul's, Tilapia Fillets, Mediterranean, Mediterranean Frozen Fish & Seafood High in sodium — 29% DV per serving 191kcal 14.2Protein 7.1Fat 18.4Carbs Pinnacle Foods Group LLC Mrs. Paul's, 100% Whole Lightly Breaded Tilapia Fillets Fish & Seafood 177kcal 12.4Protein 5.3Fat 18.6Carbs Ho-Mai Inc Raw Peeled & Deveined Shrimp Frozen Fish & Seafood High in cholesterol — 40% DV per serving 62kcal 16.1Protein 0Fat 0Carbs Meridian Products, Inc. Ocean Classic, Easy To Peel Pink Shrimp Frozen Fish & Seafood High in cholesterol — 57% DV per serving 107kcal 20.5Protein 1.8Fat 0.9Carbs Kitchens Of The Oceans, Inc. Breaded Round Shrimp Frozen Fish & Seafood High in sodium — 20% DV per serving High in cholesterol — 32% DV per serving 173kcal 14.6Protein 1.4Fat 25.4Carbs

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.