Table 2.
Mass spectrometry parameters for the analysis of phenolic compounds.
| Compound | Parent Ion (m/z) | Daughter Ion (m/z) | Cone Voltage, V | Collision Energy, eV |
|---|---|---|---|---|
| p-Coumaric acid | 163 | 93 | 28 | 22 |
| Vanillic acid | 167 | 152 | 26 | 12 |
| Gallic acid | 169 | 51 | 36 | 30 |
| Caffeic acid | 179 | 107 | 36 | 22 |
| Ferulic acid | 193 | 134 | 32 | 18 |
| Phloretin | 273 | 167 | 42 | 16 |
| Kaempferol | 285 | 185 | 50 | 25 |
| (-)-Epicatechin | 289 | 123 | 60 | 34 |
| (+)-Catechin | 289 | 123 | 60 | 34 |
| Quercetin | 301 | 151 | 48 | 20 |
| Isorhamnetin | 315 | 300 | 44 | 22 |
| Chlorogenic acid | 353 | 191 | 32 | 14 |
| Neochlorogenic acid | 353 | 191 | 32 | 14 |
| Avicularin | 433 | 301 | 50 | 20 |
| Phloridzin | 435 | 273 | 42 | 14 |
| Luteolin-7-O-glucoside | 447 | 285 | 66 | 26 |
| Quercitrin | 447 | 300 | 50 | 26 |
| Hyperoside | 463 | 300 | 50 | 26 |
| Isorhamnetin-3-O-glucoside | 477 | 314 | 60 | 28 |
| Procyanidin A2 | 575 | 285 | 50 | 25 |
| Rutin | 609 | 300 | 70 | 38 |
| Procyanidin C1 | 865,2 | 125 | 56 | 60 |