Fructo-oligosaccharide DP10/GF9 belongs to fructooligosaccharides (FOS) with degree of polymerization (DP=10). Fructo-oligosaccharides (FOS) are composed of 9 fructose units linked by (2→1)-β-glycosidic bonds and having a single D-glucosyl unit at the non-reducing end.