Table 3.
Identification of procyanidins in the pomace of V. meridionale using UPLC-ESI–MS.
| DP | Linkage type | Theoretical [M-H]− |
Observed [M-H]− |
Theoretical [M-2H]2−/2 |
Observed [M-2H]2−/2 |
Product ions |
|---|---|---|---|---|---|---|
| 1 | 289.0719 | 289.0729 | ||||
| 2 | A | 575.1195 | 575.1195 | 125.0238, 285.0404, 289.0717, 407.0761, 423.0711, 449.0867, 539.0975, 163.0036 | ||
| 2 | B | 577.1351 | 577.136 | 289, 125, 407, 245, 161 | ||
| 3 | A | 863.1829 | 863.1831 | 285.0403, 289.0719, 411.0718, 451.1026, 559.0873, 573.1028, 693.1240, 711.1344 | ||
| 3 | B | 865.1985 | 865.1999 | 287, 289, 125, 407, 577, 575, 413, 425, 449, 451, 695, 713, 739 | ||
| 4 | A | 1151.2463 | 1151.2451 | 287.0557, 411.0726, 451.0986, 573.1022, 699.1350, 863.1824, 981.1876, 861.1649, 999.1950, 289.0710, 711.1346, 285.0390 |
||
| 4 | B | 1153.2619 | 1153.262 | 575, 577,287, 863, 865, 125, 413 | ||
| 5 | A | 1439.3097 | 1439.3075 | 287.0531, 575.1185, 711.1363, 863.1781, 1151.2327 | ||
| 5 | B | 1441.3253 | 1441.3223 | 287.0530, 575.1187, 863.1821, 865.1991, 1151.2322, 1153.2635 | ||
| 6 | A | 864.1907 | 864.6915 | |||
| 6 | B | 863.1829 | 863.6847 | |||
| 7 | A | 1008.7267 | 1008.7208 | |||
| 7 | B | 1007.2146 | 1007.7141 | |||
| 8 | A | 1152.7584 | 1152.7513 | |||
| 8 | B | 1151.7506 | 1151.7449 |