Table 1 Methylation analysis (linkage analysis) data of GFP-N1 and GFP-N2

From: Structure characterization of Grifola frondosa polysaccharide and its effect on insulin resistance in HFD-fed mice

Items

Linkages

Partially methylated alditol acetates (PMAAs)

Retention times (min)

Mass fragments (m/z)

Ratio (%)

GFP-N1

t-Glcp

1,5-di-O-acetyl-2,3,4,6-tetra-O-methyl glucitol

8.867

87, 102, 118, 129, 145, 161, 162, 205

13.97

3-Glcp

1,3,5-tri-O-acetyl-2,4,6-tri-O-methyl glucitol

12.066

87, 101, 118, 129, 161, 202, 234

3.17

6-Glcp

1,5,6-tri-O-acetyl-2,3,4-tri-O-methyl glucitol

13.638

87, 99, 102, 118, 129, 162, 189, 233

2.10

4-Glcp

1,4,5-tri-O-acetyl-2,3,6-tri-O-methyl glucitol

14.083

87, 102, 113, 118, 129, 162, 233

67.44

3,4-Glcp

1,3,4,5-tetra-O-acetyl-2,6-di-O-methyl glucitol

16.161

87, 118, 129, 143, 185, 203, 305

3.20

3,6-Galp

1,3,5,6-tetra-O-acetyl-2,4-di-O-methyl glucitol

17.654

87, 101, 118, 129, 189, 202, 234

2.02

4,6-Glcp

1,4,5,6-tetra-O-acetyl-2,3-di-O-methyl glucitol

18.256

85, 102, 118, 127, 159, 162, 201, 261

8.10

GFP-N2

t-Manp

1,5-di-O-acetyl-2,3,4,6-tetra-O-methyl mannitol

8.775

87, 102, 118, 129, 145, 161, 162, 205

22.82

t-Glcp

1,5-di-O-acetyl-2,3,4,6-tetra-O-methyl glucitol

8.865

87, 102, 118, 129, 145, 161, 162, 205

12.88

3-Glcp

1,3,5-tri-O-acetyl-2,4,6-tri-O-methyl glucitol

12.077

87, 101, 118, 129, 161, 202, 234

4.55

2-Manp

1,2,5-tri-O-acetyl-3,4,6-tri-O-methyl mannitol

12.299

88, 101, 129, 130, 161, 190, 205

19.23

6-Glcp

1,5,6-tri-O-acetyl-2,3,4-tri-O-methyl glucitol

13.642

87, 99, 102, 118, 129, 162, 189, 233

12.02

4-Glcp

1,4,5-tri-O-acetyl-2,3,6-tri-O-methyl glucitol

14.008

87, 102, 113, 118, 129, 162, 233

6.18

6-Manp

1,5,6-tri-O-acetyl-2,3,4-tri-O-methyl mannitol

15.393

87, 99, 102, 118, 129, 162, 189, 233

7.05

3,6-Galp

1,3,5,6-tetra-O-acetyl-2,4-di-O-methyl glucitol

17.664

87, 101, 118, 129, 189, 202, 234

3.31

3,6-Glcp

1,3,5,6-tetra-O-acetyl-2,4-di-O-methyl glucitol

17.790

87, 101, 118, 129, 189, 202, 234

6.36

2,6-Glcp

1,2,5,6-tetra-O-acetyl-3,4-di-O-methyl glucitol

19.577

87,88,99,100,129,130,189,190

5.60

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