Table 3.
Chromatographic and spectrometric data of compounds identified in Cornus florida fruit extract.
| No. | Tentative Assignment | Rt [min] | UV [nm] | [M-H]− m/z | MS2 Ions m/z |
|---|---|---|---|---|---|
| CF1 | Gallic acid glucuronide | 6.3 | 254, 297 | 345 | 169, 123 |
| CF2 | Loganic acid | 19.9 | 233 | 375 | 213, 169 |
| CF3 | Unidentified | 20.9 | 236 | 595 # | 549, 341, 281, 225 |
| CF4 | Dehydrologanin derivative | 22.0 | 238 | 433 # | 387, 225, 179 |
| CF5 | Dehydrologanin derivative | 22.9 | 223, 280 | 433 # | 387, 225, 179, 149 |
| CF6 | Loganin | 23.4 | 234, 280 | 435 # | 389, 227 |
| CF7 | 7-epi-loganin | 27.4 | 232 | 435 # | 389, 227 |
| CF8 | Unidentified | 28.5 | 235 | 539 | 491, 343, 195 |
| CF9 | Quercetin-hexose protocatechuic acid Myricetin hexoside |
31.3 overlapped |
280, 350sh | 599 479 |
483, 465, 405, 301 317, 179 |
| CF10 | Quercetin 6-O-α-l-arabinosyl-d-glucoside | 32.5 | 275, 360 | 595 | 463, 301, 179 |
| CF11 | Tetragalloylglucose Quercetin 3-O-galactoside |
36.1 overlapped |
260, 360 | 787 463 |
635, 465, 319, 249 301 |
| CF12 | Quercetin hexoside | 37.0 | 260, 352 | 463 | 301 |
| CF13 | Tetragalloylglucose Kaempferol hexoside |
39.7 overlapped |
265, 353 | 787 447 |
633, 573, 465, 379, 249 327, 284, 151 |
| CF14 | Quercetin (6″-O-malonyl)-3-O-β-d-glucoside | 41.2 | 280, 360 | 549 | 505 |
| CF15 | Unidentified Kaempferol hexoside |
41.5 overlapped |
280 | 615 447 |
567, 419, 223, 195, 177 285 |
| CF16 | Unidentified Unidentified |
48.8 overlapped |
280 |
533 712 |
307, 225, 163 666, 605, 504, 442, 377, 322 |
# [M-H+HCOOH]−.