Food grade sodium tripolyphosphate is a common food additive, which is used to improve the quality of products, maintain the freshness and storage of food in food processing. It exists in various processed foods, such as frozen food, salty snacks, ham, aquatic products and so on. Food grade sodium tripolyphosphate has many functions, which food manufacturers cannot do without. In fact, these food additives also provide a better life for most consumers.

In general, the main reasons for using food grade sodium tripolyphosphate as an additive are as follows:

1. Keep food fresh and enhance water retention

Vitamins, minerals and fiber are added to many foods to make up for the nutrients lacking in people's diet or lost in the process of processing. Or using sodium tripolyphosphate on the original basis can adjust the pH value of meat to make it higher than the isoelectric point of meat protein, so as to improve the water retention performance of meat and ensure the freshness and tenderness of meat; Improve nutritional value and bioavailability.

2. Improve the taste, texture and appearance of food

Food grade sodium tripolyphosphate can increase food appetite. Emulsifiers, stabilizers and thickeners can make food have better texture and consistency.

Adding sodium tripolyphosphate to baked food will expand more in the baking process, improve the taste, and help to control the PH of food and maintain the taste of food.

With more and more processed foods, such as snacks and instant convenience foods, are full of food additives. This is not to say that foods containing these food additives cannot be eaten. It is also feasible for manufacturers to add a series of food additives such as sodium tripolyphosphate according to the formal amount of food additives.