Sodium Tri-polyphosphate
What is Sodium Tri-polyphosphate?
Sodium tripolyphosphate (STPP) is a synthetic inorganic salt made from the reaction of phosphoric acid with sodium carbonate. It is a white powder or granular solid that is soluble in water.
Is Sodium Tri-polyphosphate vegan?
Sodium Tri-polyphosphate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Sodium Tri-polyphosphate a major allergen?
Not a major allergen.
What is Sodium Tri-polyphosphate used for?
STPP is used in food as an emulsifier, stabilizer, and moisture retainer.
Is Sodium Tri-polyphosphate safe?
The U.S. Food and Drug Administration (FDA) lists sodium tripolyphosphate as Generally Recognized As Safe (GRAS) for use in food.
Why it's used
STPP is used in food as an emulsifier, stabilizer, and moisture retainer. It helps to prevent ingredients from separating and improves the texture of processed foods. It is often found in processed meats, seafood, and dairy products.
Health notes
The U.S. Food and Drug Administration (FDA) lists sodium tripolyphosphate as Generally Recognized As Safe (GRAS) for use in food. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated STPP and established an acceptable daily intake. High intake of phosphates from all sources can be a concern for individuals with kidney disease, but STPP is generally considered safe at typical dietary levels.
Allergen info
Not a major allergen.
Foods that contain Sodium Tri-polyphosphate
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