Table 1.
Nonanthocyanin polyphenols | ||||
Peak no. | Rt (min) | Mass spectral data | Peak assignment | |
Deprotonated molecule [M–H]− (m/z) | Fragment ions (m/z) | |||
| ||||
1 | 32.9 | 352.90 | 190.93 [M-H-Caffeoyl] | Chlorogenic acid (5-O-caffeoyl quinic acid) |
3 | 61.9 | 608.87 | — | Rutin* (quercetin-3-O-glucorhamnoside) |
4 | 63.2 | 462.86 | — | Hyperoside (quercetin-3-O-galactoside) |
5 | 87.9 | 300.86 | — | Quercetin |
| ||||
Anthocyanins | ||||
| ||||
Peak no. | Rt (min) | Mass spectral data | Peak assignment | |
Molecular ion [M]+ (m/z) | Fragment ions (m/z) | |||
| ||||
2 | 39.3 | 449.21 | 287.13 [M-Glucose] | Kuromanin (cyanidin-3-O-glucoside) |
*Rutin coeluted with a compound (462.86 m/z), possibly another quercetin glycoside.
Rt: retention time.