Table 1.
Compounds identified in the Fraxinus angustifolia extract used in this study.
| Peak | Compounds | Rt (UV) | [M − H]− | MS/MS |
|---|---|---|---|---|
| 1 | Salidroside | 16.60 | 299 | 179,119 |
| 2 | Hydroxycinnamic acid derivative | 16.92 | 487 | 295, 179, 135 |
| 3 | Oleoside | 19.70 | 389 | 371, 345, 209, 179 |
| 4 | Oleoside 11-methyl ester | 22.63 | 403 | 223, 179 |
| 5 | Hydroxycinnamic acid derivative | 21.75 | 369 | 207, 192, 179 |
| 6 | Verbascoside | 31.45 | 623 | 461, 315, 251 |
| 7 | Nuzhenide isomer | 31.75 | 685 | 523, 453, 421, 299, 223 |
| 8 | Nuzhenide | 33.28 | 685 | 523, 453, 421, 299, 223 |
| 9 | Nuzhenide isomer | 34.72 | 685 | 523, 453, 421, 299, 223 |
| 10 | 1-O-β-d-Glucosylformoside | 36.03 | 685 | 523, 453, 385, 299, 223 |
| 11 | Nuzhenide derivative | 37.01 | 727 | 685, 565, 523, 453, 341, 299 |
| 12 | Excelside B | 37.61 | 685 | 565, 361, 291, 260 |
| 13 | GL3 isomer * | 41.06 | 1071 | 909, 685, 523, 385 |
| 14 | GL3 isomer * | 41.45 | 1071 | 909, 771, 685, 609, 421 |
| 15 | GL3 | 42.20 | 1071 | 909, 771, 685, 453, 385 |
| 16 | GL3 isomer * | 43.36 | 1071 | 909, 685, 478, 361 |
| 17 | Nuzhenide di (11-methyloleoside) | 44.96 | 1457 | 1157, 1071, 934, 771, 685 |
| 18 | GL5 isomer | 48.70 | 909 | 771, 747, 523, 361, 259 |
| 19 | GL5 isomer | 49.77 | 909 | 771, 747, 645, 523, 361 |
* Some of GL3 isomers could correspond to nuzhenide 11-methyloleoside.