Table 1.
Flavonoids and phenolic acids identified from the infusions of two different color chrysanthemum flowers by HPLC-DAD/ESIMS methods.
| Peak | tR (min) | λmax (nm) | [M + H]+ (m/z) | MSn (m/z) | Identification |
|---|---|---|---|---|---|
| 1 | 8.4 | 275, 350 | 449 | nd 3 | Luteolin-glucoside 1 |
| 2 | 9.9 | 220, 325 | 355 | 163 | Chlorogenic acid 2 |
| 3 | 23.7 | 285, 350 | 465 | nd 3 | Quercetin-glucoside 1 |
| 4 | 25.1 | 270, 350 | 449 | nd 3 | Luteolin-7-O-β-glucoside 2 |
| 5 | 25.8 | 265, 350 | 463 | nd 3 | Luteolin-glucuronide 1 |
| 6 | 28.6 | 225, 325 | 517 | 499/163 | Dicaffeoylquinic acid 1 |
| 7 | 29.4 | 265, 350 | 551 | 295 | unknown |
| 8 | 31.5 | 220, 325 | 517 | 499/163 | 3,5-Dicaffeoylquinic acid 2 |
| 9 | 32.2 | 265, 340 | 433 | nd 3 | Apigenin-7-O-β-glucoside 2 |
| 10 | 33.7 | 255, 350 | 535 | nd 3 | Luteolin-malonylglucoside 1 |
| 11 | 34.6 | 225, 325 | 517 | 499/163 | Dicaffeoylquinic acid 1 |
| 12 | 35.8 | 265, 350 | 477 | nd 3 | Diosmetin-glucuronide 1 |
| 13 | 41.6 | 265, 335 | 519 | nd 3 | Apigenin-malonylglucoside 1 |
| 14 | 43.3 | 250, 350 | 549 | nd 3 | Diosmetin-malonyglucoside 1 |
| 15 | 44.8 | 265, 330 | 593 | nd 3 | Linarin 2 |
| 16 | 50.8 | 265, 330 | 447 | nd 3 | Acacetin-7-O-β-glucoside 2 |
| 17 | 52.3 | 265, 350 | 287 | nd 3 | Luteolin 2 |
| 18 | 59.3 | 270, 335 | 533 | nd 3 | Acacetin-malonylglucoside 1 |
| 19 | 64.6 | 250, 260, 350 | 271 | nd 3 | Apigenin 2 |
1 Provisionally identified from UV/Vis and mass spectra data. 2 Identification was confirmed by comparison with standards. 3 Not detected.