... as GF-Fn,(n=1-9). Fructooligosaccharide (FOS) is a food ingredient naturally occurring in honey, fruits and plants. It is ... , it is widely used in yogurt, bakery, functional and dietetic food, pills, liquors and etc,,... The application scope of FOS Its ... is used as a sugar replacement, dietary supplement or food additives in the food production and dietetic product industry. It can used in ...