It's mainly used for the producing and processing baked food and fried food. It produces gas when thermal decomposition is in process, which make dough rise and form densive porous organization to make the products with bulky, soft, crispy and delicious tastes. With good bulk effect, it can not only replace yeast, but also can replace fermentation method. It simplifies production process and shorten the production cycle. Using balk agent can save 1/3 to 1/2 of the oil and sugar. This adapts to the low fat trends. It also has emulsified bleaching effect on deep-fried dough sticks dough, flour, which makes product appear white and have good tastes. Also it makes products easier to be digested, thus increase commercial value. Application During food baking and processing, carbon dioxide was produced after baking and heating, which formed holes of uniform and dense tissue inside the product and increased food volume. It helped bread, cake and other food soft and elastic, make cookies crispy. Composite bulk agent can not only improve food sense quality, but also conducive to food digestion and absorption. In fried food production and processing, composite bulking agent can make the moisture of dough evaporates and rapidly change into gas. It can change the inside organization structure of food, produce sponge and swell volume, make the product crispy and delicious, easy to be digested and absorbed.