First of all, food additive thickener has a wide range of applications, which can be added to a series of foods such as beverages, dairy products, chewing gum, instant beverage powder and so on. It is an important food additive. It can increase the viscosity of liquid food, thus improving its physical properties.

According to the source, it can be divided into two categories: natural and chemical synthesis, which should be well understood; If it is divided into components, it can be divided into peptides and polysaccharides. In China, there are currently 34 kinds approved for use, except gelatin, which is a polypeptide, and all others are polysaccharides. Typical thickeners are modified starch, xanthan gum, Arabic gum, alginate, locust bean gum, etc.