In food processing it is used as a quick leavening agent and quality improver, e.g. Can be added in barbecue food to control the fermentation rate and increase the intensity of production. In biscuit bakery processing to extend storage time, loose gap neatly and reduce crushing rate of cakes and biscuits; used in sausage processing to improve taste and good color and improve processing speed; in fish processing, fish balls, fish sausages, frozen food, playing the role of chelation , preventing of generating anti-crystal flower and controlling moisture.