Table 2.
Chemical Shifts (ppm) of the Signals in the 13C NMR Spectrum of PGY from G. lucidum fruiting bodies a
| Sugar residues | 13C/Chemical shifts | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| α-L-Araf-(1 → A | 107.7 (7.5) | 82.6 (0.4) | 77.8 (0.3) | 85.7 (0.9) | 61.4 (−0.9) | |
| →3)-β-D-Glcp-(1→ B | 104.5 (7.7) | 74.7 (−0.4) | 84.2 (7.1) | 71.5 (1.0) | 80.7 (1.9) | 61.0 (−0.8) |
| →3,6)-β-D-Glcp-(1→ C | 103.8 (7.8) | 73.7 (−1.4) | 84.1 (7.0) | 69.8 (−0.7) | 77.0 (0.4) | 66.8 (5.0) |
a
Chemical shifts displacements (Δδ) are reported in parentheses, compared to those of the corresponding monosaccharides.