Table 1.
Profile of proanthocyanidins and flavalignans identified by UPLC-QTOF-ESI MS analysis of U. tomentosa leaves.
| No. | Rt (min) | Tentative Identification | Formula | [M-H]− | Error (ppm) | MS2 Fragments |
|---|---|---|---|---|---|---|
| 1 | 5.09 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (I of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 2 | 6.04 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (I of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 3 | 7.33 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (I of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 4 | 9.58 | Pocyanidin B dimer [(epi)cat-(epi)cat] (I of IV) |
C30H25O12 | 577.1382 | 7.186 | 559, 451, 435, 425, 407, 289 |
| 5 | 10.01 | Propelargonidin trimer [(epi)afz-(epi)afz-(epi)afz] (I of VI) |
C45H37O15 | 817.2179 | 6.367 | 779, 775, 665, 637, 578, 527, 273, 237 |
| 6 | 10.35 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (II of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 7 | 10.38 | Pocyanidin B dimer [(epi)cat-(epi)cat] (II of IV) |
C30H25O12 | 577.1382 | 7.186 | 559, 451, 435, 425, 407, 289 |
| 8 | 10.77 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (III of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 9 | 11.55 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (IV of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 10 | 12.29 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (II of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 11 | 12.62 | Propelargonidin dimer [(epi)afz-(epi)cat] (I of IV) |
C30H25O11 | 561.1416 | 4.388 | 435, 425, 407, 289, 273, 271, 245 |
| 12 | 12.67 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (V of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 13 | 12.70 | Pocyanidin B dimer [(epi)cat-(epi)cat] (III of IV) |
C30H25O12 | 577.1382 | 7.186 | 559, 451, 435, 425, 407, 289 |
| 14 | 12.83 | Catechin | C15H13O6 | 289.0729 | 7.733 | 245, 179 |
| 15 | 13.63 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (III of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 16 | 13.68 | Propelargonidin dimer [(epi)afz-(epi)cat] (II of IV) |
C30H25O11 | 561.1416 | 4.388 | 435, 425, 407, 289, 273, 271, 245 |
| 17 | 13.84 | Pocyanidin B dimer [(epi)cat-(epi)cat] (IV of IV) |
C30H25O12 | 577.1382 | 7.186 | 559, 451, 435, 425, 407, 289 |
| 18 | 14.39 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (VI of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 19 | 14.56 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (II of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 20 | 15.02 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (IV of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 21 | 15.57 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (III of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 22 | 15.63 | Propelargonidin dimer [(epi)afz-(epi)cat] (III of IV) |
C30H25O11 | 561.1416 | 4.388 | 435, 425, 407, 289, 273, 271, 245 |
| 23 | 15.79 | Propelargonidin dimer [(epi)afz-(epi)afz] (I of IV) |
C30H25O10 | 545.1473 | 5.644 | 419, 409, 287, 273, 271 |
| 24 | 15.89 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (V of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 25 | 16.18 | Propelargonidin dimer [(epi)afz-(epi)afz] (II of IV) |
C30H25O10 | 545.1473 | 5.644 | 419, 409, 287, 273, 271 |
| 26 | 16.30 | Procynidin B trimer [(epi)cat-(epi)cat-(epi)cat] (VII of VII) |
C45H37O18 | 865.2084 | −4.966 | 577, 575, 425, 407, 289, 287, 175, 137 |
| 27 | 16.36 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (IV of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 28 | 16.58 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (V of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 29 | 17.15 | Propelargonidin trimer [(epi)afz-(epi)afz-(epi)afz] (II of VI) |
C45H37O15 | 817.2179 | 6.367 | 779, 775, 665, 637, 578, 527, 273, 237 |
| 30 | 17.24 | Epicatechin | C15H13O6 | 289.0729 | 7.733 | 245, 179 |
| 31 | 17.45 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (VI of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 32 | 17.50 | Propelargonidin dimer [(epi)afz-(epi)cat] (IV of IV) |
C30H25O11 | 561.1416 | 4.388 | 435, 425, 407, 289, 273, 271, 245 |
| 33 | 17.56 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (VI of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 34 | 18.13 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (VII of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 35 | 18.21 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (VII of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 36 | 18.24 | Propelargonidin dimer [(epi)afz-(epi)afz] (III of IV) |
C30H25O10 | 545.1473 | 5.644 | 419, 409, 287, 273, 271 |
| 37 | 18.57 | Propelargonidin trimer [(epi)afz-(epi)afz-(epi)afz] (III of VI) |
C45H37O15 | 817.2179 | 6.367 | 779, 775, 665, 637, 578, 527, 273, 237 |
| 38 | 19.27 | Propelargonidin trimer [(epi)afz-(epi)cat-(epi)cat] (VIII of VIII) |
C45H37O17 | 849.2089 | 7.506 | 723, 697, 679, 561, 559, 407, 289 |
| 39 | 19.42 | Propelargonidin trimer [(epi)afz-(epi)afz-(epi)afz] (IV of VI) |
C45H37O15 | 817.2179 | 6.367 | 779, 775, 665, 637, 578, 527, 273, 237 |
| 40 | 19.71 | Propelargonidin dimer [(epi)afz-(epi)afz] (IV of IV) |
C30H25O10 | 545.1473 | 5.644 | 419, 409, 287, 273, 271 |
| 41 | 20.91 | Properlargonidin trimer [(epi)afz-(epi)afz-(epi)cat]] (VIII of VIII) |
C45H37O16 | 833.2141 | 2.356 | 711, 707, 561, 543, 435, 289, 273, 271, 174 |
| 42 | 21.61 | Cinchonain (I of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |
| 43 | 21.84 | Propelargonidin trimer [(epi)afz-(epi)afz-(epi)afz] (V of VI) |
C45H37O15 | 817.2179 | 6.367 | 779, 775, 665, 637, 578, 527, 273, 237 |
| 44 | 22.79 | Propelargonidin trimer [(epi)afz-(epi)afz-(epi)afz] (VI of VI) |
C45H37O15 | 817.2179 | 6.367 | 779, 775, 665, 637, 578, 527, 273, 237 |
| 45 | 23.22 | Cinchonain (II of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |
| 46 | 26.06 | Cinchonain (III of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |
| 47 | 26.85 | Cinchonain (IV of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |
| 48 | 27.94 | Cinchonain (V of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |
| 49 | 28.47 | Cinchonain (VI of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |
| 50 | 32.76 | Cinchonain (VII of VII) | C24H19O9 | 451.1039 | −1.915 | 341, 289, 271 |