The synthesis of FOS was performed according to the methodology
described [6]. The FOS yield was 54.2%, consisting of 271 g/L of
total FOS with a composition of 158 g/L of GF2, 89 g/L of GF3 and
24 g/L of GF4. The mixture also contained 176 g/L of glucose, 44 g/
L of sucrose and 10 g/L of fructose.