Table 3.
Identified compounds by LC-MS/MS analysis of the active plant extracts.
| RT | [M-H]−m/z | Fragments | Identified compounds | |
|---|---|---|---|---|
| H. officinalis leaves & stems EtOH extract # 29 | ||||
| 8.0 | 353 | 191, 179 | 3-caffeoylquinic acid | |
| 9.7 | 637 | 351, 285 | luteolin diglucuronide | |
| 9.9 | 447 | 285 | luteolin glucoside | |
| 9.9 | 609 | 301, 271, 255, 179 | quercetin 7-rutinoside | |
| 10.5 | 637 | 461, 285 | leukoseptoside A | |
| 11.1 | 621 | 487, 351, 269 | apigenin derivative | |
| 11.4 | 461 | 285 | luteolin glucuronide | |
| 12.6 | 445 | 269, 175, 113 | apigenin glucuronide | |
| 13.1 | 359 | 197, 179, 161 | rosmarinic acid | |
| 16.3 | 285 | 175, 133 | luteolin | |
| N. sativa seeds MeOH extract # 34 | ||||
| 3.5 | 286 | 162 | unknown | |
| 4.9 | 267 | 249 | unknown | |
| 5.3 | 289 | 199, 169, 127 | unknown | |
| 6.8 | 401 | 283, 269 | apigenin pentoside | |
| 7.7 | 353 | 191, 179, 161 | 5-caffeoylquinic acid | |
| 7.9 | 771 | 609, 429, 284 | luteolin / Kaempferol-sophoroside-glucoside | |
| O. tenuiflorum leaves & stems MeOH extract # 36 | ||||
| 7.7 | 341 | 179 | caffeoyl glucoside | |
| 9.4 | 609 | 300, 271, 179, 151 | rutin | |
| 10.4 | 463 | 300, 271, 179, 151 | quercetin glucuronide | |
| 13.2 | 539 | 471, 377, 307, 275 | unknown | |
| 13.9 | 359 | 197, 179, 161 | rosmarinic acid | |
| 18.0 | 581 | 461, 436 | unknown | |
| 27.5 | 343 | 328, 313, 241 | nevadensin | |
| 27.8 | 283 | 240, 215 | acacetin/ wogonin | |
| 30.6 | 555 | 487, 469, 425 | unknown | |
| 33.6 | 293 | 275, 235, 231, 171 | unknown | |
| S. lappa root EtOH extract # 50 | ||||
| 9.2 | 353 | 191, 173 | 5-caffeoylquinic acid | |
| 12.3 | 515 | 352, 191, 179, 161 | 1,5-dicaffeoylquinic acid | |
| 12.4 | 515 | 353, 299, 203, 191, 179 | 4,5-dicaffeoylquinic acid | |
| 13.2 | 561 | 369, 351, 215, 191 | feruloyl quinic acid derivative | |
| 14.3 | 313 | 298, 283, 265 | dihydroxy-dimethoxyflavone similar to cirsimaritin | |
| 15.1 | 431 | 268 | apigenin glucoside | |
| T. officinale leaves & stems EtOH extract # 53 | ||||
| 6.0 | 341 | 179, 161 | caffeoyl glucoside | |
| 9.1 | 191 | 173, 127 | quinic acid | |
| 9.9 | 447 | 357, 327 | luteolin-6-C-glucoside | |
| 10.0 | 179 | 135 | caffeic acid | |
| 11.1 | 477 | 301, 179, 151 | quercetin glucuronide | |
| 11.3 | 198 | 163 | unknown | |
| 12.1 | 461 | 285 | luteolin glucuronide | |
| 14.5 | 473 | 293, 219, 179, 161 | cichoric acid | |
| 15.9 | 285 | 199, 151, 133 | luteolin | |
| 17.9 | 269 | 201, 151, 117 | apigenin | |