Fructooligosaccharide(FOS),a functional sweetener,has been found in various fruits and vegetables and can be produced by the fructosyltransferase from plants and microorganisms.

• 蔗果低聚糖是一种广泛存在于天然的水果和蔬菜中的功能性低聚糖,可通过植物和微生物的果糖基转移酶作用来生产。