Table 6.
Identification of six PhGs by UPLC-ESI-Q/TOF-MS.
| Peak No. | RT (min) | Identification | λmax (nm) | MS Data (m/z) |
|---|---|---|---|---|
| 3 | 7.22 | Echinacoside | 224.0, 330.9 | 785, 623, 477, 461, 315, 179, 161, 135 |
| 4 | 8.88 | Cistanoside A | 222.2, 331.5 | 799, 637, 491, 475, 179, 161, 135 |
| 5 | 10.99 | Acteoside | 222.8, 330.2 | 623, 461, 315, 179,161,135 |
| 6 | 12.35 | Isoacteoside | 224.2, 327.2 | 623, 461, 315, 179,161,135 |
| 8 | 14.44 | 2′-Acetylacteoside | 222.8, 330.9 | 665, 623, 503, 461, 315, 179, 161, 135 |
| 9 | 15.09 | Tubuloside B | 222.2, 327.8 | 665, 623, 503, 461, 315, 179, 161, 135 |