| Substrate | Linkage | Oxidation | Substrate | Oxidized product | Degree of oxidation |
---|---|---|---|---|---|---|
 | m/z | m/z | % | |||
Monosaccharides | Glucose |  | Y | 215 | 195 |  ~ 90 |
Xylose | Â | Y | b | 165 | b | |
Mannose |  | Y | 215 | 195 |  ~ 90 | |
Galactose |  | Y | 215 | 195 |  ~ 90 | |
Disaccharides | Cellobiose | β 1 → 4 | Y | 377 | 357 | 100 |
Sophorose | β 1 → 2 | N | 377 |  | – | |
Laminaribiose | β 1 → 3 | N | 377 |  | – | |
Gentiobiose | β 1 → 6 | N | 377 |  | – | |
Maltosea | α 1 → 4 | Y (Trace) | 377 | 357 |  < 5 | |
Kojibiosea | α 1 → 2 | N | 377 |  | – | |
Nigerosea | α 1 → 3 | N | 377 |  | – | |
Isomaltosea | α 1 → 6 | N | 377 |  | – | |
 | Xylobiose | β 1 → 4 | Y | 317 | 297 | 100 |
Lactose | β 1 → 4 | Y | 377 | 357 | 100 | |
Galactobiose | β 1 → 4 | N | 377 |  | – | |
Mannobiose | β 1 → 4 | Y | 377 | 357 |  ~ 50 | |
Glucosyl-mannose | β 1 → 4 | Y | 377 | 357 |  ~ 90 | |
Chitosanbiose | β 1 → 4 | N | 375 |  | – | |
Oligosaccharides | Cellotriose | β 1 → 4 | Y | 539 | 519 | 100 |
Cellotetraose | β 1 → 4 | Y | 701 | 681 | 100 | |
Glucosyl-(1 → 3)-β-D-cellobiose | β 1 → 3/4 | Y | 539 | 519 |  ~ 80 | |
Xylotriose | β 1 → 4 | Y | 449 | 429 | 100 | |
Xylotetraose | β 1 → 4 | Y | 581 | 561 | 100 | |
Acidic | U4m2X | β 1 → 4; α 1 → 2 | N | 471 |  | – |
U4m2XX | β 1 → 4; α 1 → 2 | Y | 603 | 619, 309 | 100 | |
C-1 methylated disaccharides | Methylated-cellobiose | β 1 → 4 | N | 391 |  | 0 |
Methylated-lactose | β 1 → 4 | N | 391 |  | 0 |