Sodium tripolyphosphate is not added randomly in food
Food additives are synthetic or natural substances added to food to improve the quality of food such as color, aroma and taste, and to meet the needs of preservation and processing technology. The processing of food and the use of additives must conform to the Food Safety Law, and no chemical substances other than food additives can be produced from non-food raw materials. As one of the food additives, sodium tripolyphosphate is not added randomly in food. Phosphorus is an essential element for human body, but the amount of sodium tripolyphosphate, sodium hexametaphosphate and sodium pyrophosphate used as food additives and intake are limited. In fact, food-grade phosphate is safer than many additives and can be safely used. Food-grade sodium tripolyphosphate is generally used as water retention agent, quality improver, pH regulator and metal chelating agent in food. China's "Hygienic Standards for the Use of Food Additives" (GB2760-2011) stipulates that: 1. The maximum...