Table 1.
Compounds identified in the cranberry polyphenol-enriched hemp protein isolate (HPI).
| Compound | MS m/z | MS/MS m/z | UV Nm | RT (min) |
|---|---|---|---|---|
|
| ||||
| Cyn-3-gal | 449 [M]+ | 287 | 524, 279 | 14.71 |
| Cyn-3-glc | 449 [M]+ | 287 | 524, 277 | 15.35 |
| Cyn-3-arb | 419 [M]+ | 287 | 524, 277 | 18.51 |
| Peo-3-gal | 463 [M]+ | 301 | 517, 279 | 19.61 |
| Peo-3-glc | 463 [M]+ | 301 | 515, 279 | 20.61 |
| Peo-3-arb | 433 [M]+ | 301 | 520, 279 | 21.67 |
|
| ||||
| Qur-3-gal | 465 [M+1]+ | 303 | 351, 254 | 24.26 |
| Qur-3-ara | 435 [M+1]+ | 303 | 358, 255 | 24.54 |
| Qur-3-rha | 449 [M+1]+ | 303 | 355, 260 | 24.78 |
| Myr-3-gal | 481 [M+1]+ | 319 | 356, 268, 240 | 23.6 |
| Qur | 303 [M+1]+ | 229 | 363, 257 | 25.39 |
|
| ||||
| Catechin | 289 [M-1]− | 245 | 279 | 10.81 |
| Epicatechin | 289 [M-1]− | 245 | 279 | 17.69 |
| PAC dimer-A2 | 575 [M-1]− | 423, 287 | 279, 232 | 23.1 |
| PAC dimer-B2 | 577 [M-1]− | 425, 287 | 279, 232 | 13.5 |
| PAC trimer-A | 863 [M-1]− | 575 | 277, 240 | 20.7, 21.4, 23.3 |
| PAC trimer-B | 865 [M-1]− | 577 | 279, 241 | 19.147 |
| PAC tetramer-A | 1151 [M-1]− | 423 | 277, 239 | 23.35 |
Cyn = cyanidin, Peo = peonidin, Qur = quercetin, Myr = myricitin, PAC = proanthocyanidin, gal = galactoside, glc = glucoside, arb = arabinoside, rha = rhamnoside