In food industry, it is used as leavening agent, dough modifier, buffer, nutritional supplement, emulsifier, and stabilizer e.g. it is applied as leavening agent for flour, cake, pastry, bakery, as quality modifier for bread, and fried food. Also be applied in biscuit, milk powder, drinks, ice cream as nutrient supplement or quality improver. In pharmaceutical industry, it is often used as an additive in the producing of Calcium Tablet or other tablets. In daily chemical industry-toothpaste, it is used as friction agent.