Table 2.

1H and 13C NMR chemical shifts of the fructan recorded in D2O at 80°C

1H and
13C NMR
Chemical shifta(coupling constant [Hz])
Proton
 H-1a  3.750 (12.3)
 H-1b  3.704 (12.1)
 H-3  4.176 (8.2)
 H-4  4.090 (7.9)
 H-5  3.941 (3.3)
 H-6a  3.891 (10.6)
 H-6b  3.631 (7.7)
Carbon
 C-1 61.7
 C-2105.0
 C-3 78.1
 C-4 76.6
 C-5 81.2
 C-6 64.3
  • a Given in parts per million relative to the signal of internal acetone (δ = 2.225) for proton and relative to the α-anomeric signal of external glucose (δ = 49.00) for carbon. Coupling constants (Hz) are included in parentheses.