Abstract
Food emulsifier is mainly used in processed food, which involves the production and use and food safety issues. In recent years, more and more people suffer from metabolic diseases, which makes people begin to pay attention to them and study them in depth. In this paper, the relationship between food emulsifier and human gut microbiota is described in detail, and the relationship between gut microbiota and some common metabolic diseases and diet is introduced. Through the study of food emulsifier and gut microbiota, it is found that some food emulsifiers will change the gut microbiota and make it disordered; others are beneficial to their metabolic function. At the same time, some research experiments show that the results of food emulsifier acting on gut microbiota are different, indicating that the influence of food emulsifier on gut microbiota still needs to be further explored.