Polydextrose is a special carbohydrate with low calorie and low glycemic index, characterized by water-soluble dietary fiber and prebiotics. It is a polysaccharide composed of naturally occurring glucose, a small amount of sorbitol, and citric acid, which are melted and condensed at high temperatures. It is a randomly cross-linked glucose. Polydextrose, as one of the dietary fibers with good functions and performance, has many excellent processing characteristics and beneficial physiological functions for the body, such as regulating intestinal function, improving immunity, promoting mineral absorption, reducing blood sugar, and controlling weight. Due to its high safety and stable processing characteristics, polydextrose has been widely used in various foods and health products such as beverages, dairy products, baked goods, candies, etc....