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Table 3 1H and 13C NMR chemical shifts (ppm) of DOP1-1 and DOP2-1

From: Polysaccharides from Dioscorea opposita Thunb.: isolation, structural characterization, and anti-inflammatory and anti-tumor effects against hepatocellular carcinoma

 

Glycosyl residues

Chemical shift δ H/C (ppm)

H1/C1

H2/C2

H3/C3

H4/C4

H5/C5

H6/C6

DOP1-1

       

 A

1,4-α-Glcp

5.13/98.61

3.75/68.19

4.01/69.33

3.86/69.45

4.02/68.41

3.79/61.00

 B

1,2-β-Manp

4.61/96.17

4.02/68.41

3.76/70.23

3.50/71.35

3.48/71.50

3.77/68.19

 C

1,4-α-GalpA

5.11/99.01

3.75/70.23

4.04/69.45

4.46/79.27

−/71.35

-

DOP2-1

       

 A

T-α-Arbf

5.29/109.30

4.26/81.21

3.98/76.58

4.13/83.99

3.86/60.77

-

 B

1,5-α-Arbf

5.12/107.43

4.17/80.90

4.05/76.21

4.21/82.33

3.82/68.09

-

 C

1,4-α-d-Glcp

5.11/98.92

3.76/73.30

3.86/71.30

3.82/80.11

3.72/71.82

3.76/61.25

 D

1,4-β-d-Galp

4.69/104.36

3.41/73.30

3.82/73.30

4.21/77.65

3.82/76.21

3.76/60.77

 E

1,4-β-d-Manp

4.55/103.22

3.98/73.30

3.46/71.82

3.73/76.58

3.86/71.30

3.63/71.30