Table 3.
Peak assignments, retention times and mass spectral data of phenols present in R. idaeus fruit extract.
| Peak No. | RT | PDA | M/Z [M-H] | MS2 | Putative identity |
|---|---|---|---|---|---|
| 1 | 23.03 | 265 | 1250.8, 609.3, 444.9, 323.0, 301.2, 224.83, 136.7 | ND | Ellagitannin |
| 2 | 24.43 | 340 | 627.1, 593.1, 491.2, 285.1 | 517.1, 285.1 | Unknown |
| 3 | 25.68 | 280, 365 | 577.1, 465.1, 407.2, 289.2 | 289.2 | Proanthocyanidin dimer |
| 4 | 27.25 | 260 | 1566.9, 1265.0, 783.3, 633.2, 301.2 | 481.0, 301.2 | Ellagitannin |
| 5 | 28.04 | 280, 340 | 289.2 | 289.0, 245.1 | Epicatechin |
| 6 | 30.36 | 250 | 1868.9, 1567.0, 1401.3, 1250.3, 934.1, 633.1, 301.2 | 1567.0, 1250.0, 932.6, 897.0 | Lambertianin C |
| 7 | 31.16 | 360 | 625.2, 301.2 | 301.1 | Ellagic acid diglucoside |
| 8 | 31.50 | 250 | 1868.9, 1567.0, 1235.0, 934.3, 633.2, 301.2 | 1566.9, 1235.2, 933.1, 897.0 | Sanguiin H6 |
| 9 | 33.22 | 360 | 433.1, 301.2 | 301.2 | Ellagic acid arabinoside |
| 10 | 36.57 | 370 | 301.2 | 301.2 | Ellagic acid |
| 11 | 37.31 | 345 | 477.0, 463.1, 301.2 | 301.2 | Quercetin-3-glucuronide |
| 12 | 39.62 | 360 | 447.1, 315.1, 300.1 | 315.1 | Methyl ellagic acid conjugate |
The most abundant ions are shown in bold; ND- Not detected.