Table 5.
Putatively peak identification of the major compounds detected by UHPLC-DAD in the CA extracts. λmax are the local maximum of absorbance on the UV spectrum. [M−H]− column provides the m/z value of the precursor ion. Other ions column gives the m/z value of the fragments that were detected in the MS spectra. Identification method using UV and ESI (-) spectra. Lot number: 559980.
| Peak | Retention Time (min) | ƛmax (nm) | [M−H]− | Other Ions in the Spectrum | Family (Subclass) | Identified Compound |
|---|---|---|---|---|---|---|
| 1 | 3.24 | 219, 238, 325 | 353 | 191, 179 | Phenolic acid (Hydroxycinnamic acid) | Chlorogenic acid |
| 8a | 4.25 | 282 | 449 | 287, 151, 135 | Flavonoid (Flavanone) | Eriodicyol-7-O-glucoside |
| 8b | 4.25 | 267 | 593 | 473, 353, 191 | Flavonoid (Flavone) | 6,8-C,C-diglucosylapigenin |
| 9 | 5.51 | 284 | 449 | 287, 269, 151, 135 | Flavonoid (Flavanone) | Isookanin-7-O-glucoside (Flavanomarein) |
| 10 | 5.71 | 415 | 447 | 285, 151, 135, 133 | Flavonoid (Aurone) | Maritimetin-6-O-glucoside (Maritimein) |
| 11 | 5.83 | 280, 335 | 461 | 285 | Flavonoid (Flavone) | Luteolin-7-O-glucuronide |
| 12 | 6.24 | 208, 323 | 515 | 353, 191, 179, 173, 135 | Phenolic acid (Hydroxycinnamic acid) | di-caffeoylquinic acid |
| 13 | 6.45 | 211, 327 | 515 | 353, 191, 179, 173, 135 | Phenolic acid (Hydroxycinnamic acid) | di-caffeoylquinic acid isomer |
| 14 | 6.74 | 207, 266, 334 | 445 | 269 | Flavonoid (Flavone) | Apigenin-7-glucuronide |
| 15 | 6.90 | 209, 326 | 515 | 353, 191, 179, 173, 135 | Phenolic acid (Hydroxycinnamic acid) | di-caffeoylquinic acid isomer |