Table 2. High resolution and high mass accuracy MS is necessary for interpretation of saccharide composition.
Observed Peaks (m/z) | Charge | Interpretation #1 | Mass error for assignment #1 (ppm) | Interpretation #2 | Mass error for assignment #2 (ppm) |
---|---|---|---|---|---|
846.3090 | 2 | [2,0,1][1,4,1] | 32.4 | [4,2,2][0,0,0] | 3.5 |
1242.4604 | 2 | [4,1,2][1,4,1] | 22.2 | [6,3,3][0,0,0] | 2.5 |
1107.4107 | 3 | [6,2,3][1,4,1] | 19.8 | [8,4,4][0,0,0] | 5.1 |
1371.5132 | 3 | [8,3,4][1,4,1] | 17.2 | [10,5,5][0,0,0] | 5.3 |