Table 4.
Tentative identification of flavonoids in Pulicaria odora.
| Peak | Tentative identification | RT (min) | λ max (nm) | [M − H]- (m/z) | m/z fragments |
|---|---|---|---|---|---|
| 1 | Kaempferol 3-O-glucoside 7-O-rhamnoside | 13.35 | 266; 355 | 593 | 447, 431, 285 |
| 2 | Quercetin 3-O-rutinoside (rutin) | 14.90 | 254; 360 | 609 | 301, 271, 179, 151 |
| 3 | Apigenin 7-O-neohesperidoside (Rhoifolin) | 16.70 | 270; 350 | 577 | 413, 269 |
| 4 | Chrysoeriol 7-neohesperidoside | 18.15 | 261; 352 | 607 | 299, 284 |
| 5 | Isorhamnetin 3-O-glucoside | 19.91 | 245; 364 | 477 | 357, 315, 314, 285, 271, 243 |
| 6 | Chrysoeriol 7-O-glucoside (Thermopsoside) | 24.11 | 269; 356 | 461 | 299 |
| 7 | Quercetin | 26.71 | 254; 365 | 301 | 273, 257, 179, 151 |
| 8 | Luteolin | 33.89 | 263; 359 | 285 | 241, 151, 133, 107 |
| 9 | Isorhamnetin | 35.26 | 253; 345 | 315 | 300, 271, 251 |