It is commonly used in food to help retain moisture (moisture retention).

Sodium Tripolyphosphate or STPP is commonly used in food for moisture retention.

Used in a wide variety of food products. This includes processed meats, seafood, cheeses, baked goods and canned foods. It is often used in seafood products to increase their water holding capacity. prevent spoilage and improves texture. STPP is also used in meat to increase tenderness and juiciness. and in baked goods to improve texture and extend shelf life.