TABLE 3.
Analysis of polysaccharide methylated glycol acetates (PMAA) results.
RT | Methylated fragments | Mass-to-charge ratio (m/z) | Molar ratio (%) | Glycosidic bond type |
17.225 | 2,3,5-Me3-Araf | 43,71,87,101,117,129,145,161 | 2.50 | Araf-(1→ |
22.903 | 2,3-Me2-Araf | 43,71,87,99,101,117,129,161,189 | 1.90 | →5)-Araf-(1→ |
23.233 | 2,3,4,6-Me4-Glcp | 43,71,87,101,117,129,145,161,205 | 2.40 | Glcp-(1→ |
25.325 | 2,3,4,6-Me4-Manp | 43,71,87,101,117,129,145,161,205 | 4.40 | Manp-(1→ |
26.394 | 2,3,4,6-Me4-Galp | 43,71,87,101,117,129,145,161,205 | 5.10 | Galp-(1→ |
30.868 | 2,3,6-Me3-Manp | 43,87,99,101,113,117,129,131,161,173,233 | 32.70 | →4)-Manp-(1→ |
31.307 | 2,3,6-Me3-Glcp | 43,87,99,101,113,117,129,131,161,173,233 | 34.90 | →4)-Glcp-(1→ |
31.841 | 2,4,6-Me3-Galp | 43,87,99,101,117,129,161,173,233 | 1.30 | →3)-Galp-(1→ |
34.497 | 2,3,4-Me3-Galp | 43,87,99,101,117,129,161,189,233 | 1.00 | →6)-Galp-(1→ |
38.051 | 2,3-Me2-Glcp | 43,71,85,87,99,101,117,127,159,161,201 | 10.80 | →4,6)-Glcp-(1→ |
38.465 | 2,3-Me2-Galp | 43,71,85,87,99,101,117,127,159,161,201,261 | 1.90 | →4,6)-Galp-(1→ |
40.806 | 2,4-Me2-Galp | 43,87,117,129,159,189,233 | 0.50 | →3,6)-Galp-(1→ |