Thickener is an additive that can increase the viscosity of the system, stabilize the physical properties of the system, and has the function of emulsification. In addition to the thickening effect, it is also required to have the ability of moisturizing. Such substances include starch, pectin, agar, gelatin, casein, propylene alginate, etc. Water glass is used in other aspects. This product is not only used in cosmetics and food, but also widely used in rubber, daily necessities, etc. As a kind of food additives, this product can dissolve or disperse in water, increase the viscosity of fluid or semi fluid food, and maintain the relative stability of the system. In food, it is mainly to give the rheological form required by food, change the texture and appearance of food, make liquid and slurry food form a specific form, and make it uniform and stable. It can improve the quality of food, keep food smooth and palatable, and also has the characteristics of water solubility, stability, gel, foaming, stabilizing foam, adhesion, film forming, water holding, flavoring and health care. There are many kinds of thickeners, including thickeners from animals, plants, microorganisms, seaweed gels and other sources.
