Sodium Tripolyphoshate: What is it and What is it for?
Have you ever wondered how the fish that is sold in the market or supermarket look so fresh? This is done with the use food preservatives. One of such preservative is Sodium Tripolyphosphate.
Sodium tripolyphosphate (STPP) also known as sodium triphosphate is an inorganic compound with the formula Na5P3O10. It is a colourless salt which exist in both the anhydrous form and as the hexahydrate. It is used in a wide range of applications from the manufacture of cleaning products to the use in food preservatives.
STPP is used in the production of cleaning products as it allows surfactants to work at their full potential. It serves as a water softener. When used in the detergent, it helps to strengthen the cleaning action.
STPP is used as a preservative for seafood, meats, poultry and animal feeds. It helps to retain the tenderness and moisture. Moreover, STPP is used in processed cheeses as an emulsifier.
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