Table 4.
Ion annotation in high-resolution MS spectra.
| [M+H]+ | Ion Annotation |
|---|---|
| 287 | Cyanidin, Kaempferol |
| 289 | Fragment from polymeric proanthocyanidin |
| 291 | (+)-catechin, (-)-epicatechin, Fragment from polymeric proanthocyanidin |
| 303 | Quercetin, delphinidin, fragment from quercetin 3-glucoside, fragment from quercetin glucuronide |
| 317 | Petunidin, isorhamnetin |
| 319 | Fragment from myricetin 3-glucoside, fragment from myricetin glucuronide |
| 331 | Malvidin |
| 333 | unknown |
| 347 | Syringetin |
| 409 | Retro Diels Alder fragment |
| 493 | Malvidin 3-O-glucoside |
| 535 | Malvidin 3-O-acetyl glucoside |
| 577 | Oxidized dimeric proanthocyanidin |
| 579 | Dimeric proanthocyanidin, p-hydroxyphenylpyranopeodin 3-O-glucoside |
| 581 | Oxidized dimeric proanthocyanidin |
| 639 | Guaiacylpyranomalvidin 3-O-glucoside |
| 867 | Trimeric proanthocyanidins |