Research Article
The Involvement of a Polyphenol-Rich Extract of Black Chokeberry in Oxidative Stress on Experimental Arterial Hypertension
Table 1
Retention time and mass spectral data of polyphenolic compounds detected in ethanolic extract of black chokeberry fruits.
| 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 | 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 ), possibly another quercetin glycoside. Rt: retention time.
|