Table 4.
Retention times, UV-Vis, and mass spectral data of phenolic compounds in crude extract of black cherry peel.
| Peak a | tR (min) | λmax (nm) | Fragmentation Pattern [M-H]− | Compound |
|---|---|---|---|---|
| 1 | 14.3 | 272 | 315 (169, 125) | gallic acid hexoside |
| 2 | 14.8 | 292 | 329 (167, 152, 123, 108) | vanillic acid hexoside |
| 3 | 16.6 | 284, 518 | 593 (465, 447, 285) | cyanidin-3-O-rutinoside |
| 4 | 19.2 | 300, 328 | 353 (191) | chlorogenic acid |
| 5 | 20.3 | 280 | 577 (425, 289) | procyanidin B (dimer) |
| 6 | 22.3 | 296, 324 | 387 (179, 161, 135) | Caffeoyl hexose-deoxyhexoside |
| 7 | 23.2 | 255, 354 | 609 (353, 301) | rutin |
| 8 | 23.5 | 282 | 577 (425, 289) | procyanidin B (dimer) |
| 9 | 24.3 | 256, 356 | 463 (301) | hyperoside |
| 10 | 25.5 | 266, 348 | 447 (285) | kaempferol hexoside |
| 11 | 25.9 | 256, 356 | 433 (301) | quercetin pentoside |
| 12 | 27.7 | 264, 348 | 417 (285) | kaempferol pentoside |
a peak numbers correspond to Figure 1.