Table 4.
Sample | Residue | Chemical shift (ppm)
|
||||||
---|---|---|---|---|---|---|---|---|
C/H-1 | C/H-2 | C/H-3 | C/H-4 | C/H-5 | C/H-6 | C/H-6 termc | ||
|
||||||||
FR | (1→6)-β-D- glucose | 103.14 (4.60–4.73) | 73.18 3.47 |
75.71 3.75 |
70.92, 68.97b 3.68 |
75.03 3.88 |
69.60 (4.06–4.13) | 63.34 (4.30–4.46) |
FR-S | (1→6)-β-D- glucose | 103.14 (4.72–4.78) | 73.18 3.50 |
75.71 (3.70–3.90) | n.d. (76.07)a, 68.95b n.d. (4.65)a |
75.03 (4.00–4.22) | 69.60 4.39 |
n.d. (71.59)a n.d. (5.32)a |
FR | (1→3)-β-D- glucose | 103.14 (4.96, 4.94) | 73.18 3.86 |
n.d. (3.94, 3.96) | 69.35 3.79 |
75.71 3.77 |
60.69 (3.90, 3.91) | 63.34 (4.20–4.29) |
FR-S | (1→3)-β-D- glucose | 103.14 (4.85, 4.90) | 73.18 (3.70–3.90) | n.d. (4.00–4.22) | n.d. (74.25)a n.d. (4.59)a |
75.71 (3.70–3.90) | 60.69 3.90 (5.07)a |
n.d. (71.59)a n.d. (5.27)a |
MI | (1→2)-β-D- mannose | 104.88, 98.55 5.30 |
78.59 (3.20–4.00) | 74.11 (3.20–4.00) | 72.26 (3.20–4.00) | 78.40 (3.20–4.00) | 63.25, 3.40 (3.20–4.00) | 60.08 (3.20–4.00) |
MI-S | (1→2)-β-D- mannose | 105.71, 98.48 5.35 |
78.63 (3.80–4.10) | 74.00 (78.91–79.69)a 3.70 (4.30)a |
72.05 (77.64)a 3.60 (4.20)a |
78.33 3.37 |
63.21 (70.43)a (3.80–4.10) (5.46)a |
n.d. (69.10)a (3.80–4.10) (5.92)a |
MI | (1→3)-β-D- glucose | 102.56, 94.74 (4.60–4.90) | 75.40 (3.20–4.00) | n.d. (3.20–4.00) | 72.00 (3.20–4.00) | 76.79 (3.20–4.00) | 63.40 (3.20–4.00) | 60.08 (3.20–4.00) |
MI-S | (1→3)-β-D- glucose | 102.27, 94.60 (4.60–4.90) | 75.59 (80.87–80.93)a 3.60 (4.20)a |
86.71 (3.80–4.10) | 71.25 (77.28)a 3.48 (4.13)a |
76.72 3.37 |
63.41 (70.55)a (3.80–4.10) (5.85)a |
n.d. (69.10)a (3.80–4.10) (5.92)a |
FR and FR-S, A. brasiliensis fruiting body polysaccharide and its sulfated derivative.
MI and MI-S, A. brasiliensis mycelial polysaccharide and its sulfated derivative.
Assignments corresponding to the respective sulfation sites are shown in bold font between parentheses.
Assignment for the C4 of (1→6)-β-D-glucose linked to the side chain in C3.
term.: corresponding to the terminal sugar residues.
n.d.: not detected.