| Standard sample | Adduct ion | m/z value |
| Disaccharides Sucrose [Glu+Fruc-H2O] MW: 342
Sucrose = M Glu or Fruc = Hex
Monosaccharides Glucose, mannose, galactose MW: 180
Rhamnose MW: 164
Xylose, arabinose MW: 150 |
[Hex-H-5H2O]− [Hex-H-H20]− [Hex-H]− [M-H]− [2Hex-H]− [3Hex-H-H2O]−
[M-H-5H2O]− [M-H-H2O]− [M-H]− [M+Cl]− [2M-H]− [3M-H]−
[M-H]− [2M-H-CH3-CHO-CH2O]− [2M-H]−
[M-H]− [2M-H]− [3M-H]− |
89 161 179* 341 359 521
89 161 179 215 359* 539
163 253* 327
149 299* 449 |
| Uronic acids Galacturonic, glucoronic MW: 194 |
[M-H-H2O]− [M-H]− [2M-H]− |
175 193 387* |
| Amino acids Glutamic acid MW: 147
|
[M-H-H2O]− [M-H]− [2M-H-H2O-NH3]− or [2M-H-2H2O]− [2M-H-H2O]− [2M-H]− |
128 146* 257 275 293 |
| Polyphenolic antioxidants P-coumaric acid MW: 164
Isorhamnetin MW: 316
Isoquercetin ISOQ ISOQ = M Quercetin + glucose − H2O [Q+Glu-H2O] MW: 464
Hyperoside Hyp Hyp = M Quercetin + galactose − H2O [Q+Gal-H2O] MW: 464 |
[M-H]− [2M-H]−
[M-3H]− [M-2H]− [M-H]− [2M-H]−
[Glu-H-H2O]− [Q-H]− [Q-H+O−]− [M-2H-OH]− [M-3H]− [2Q-H]− [2Q-H+O]−
[Gal-H-H2O]− [Gal-H]− [Q-H]− [M-3H+O−]− [2Q-H]− |
163* 327
313 314 315* 631
161 301* 317 445 461 603 619
161 179 301* 477 603 |