Table 3.
Major phenolic compounds in sea buckthorn leaves, average of 6 cultivars (biological replicate n = 1, technical replicate n = 3). CV = coefficient of variation among cultivars.
| Phenolic compound | m/z [M−H]− | Content (µg/g DW) | CV% | Detection limit (µg/g DW) | tR (min) | Peak number |
|---|---|---|---|---|---|---|
| Kaempferol-3-O-glucoside | 447.3 | 59.8 | 8.8 | 0.7 | 10.4 | 1 |
| Gallic acid | 169.2 | 182.9 | 9.6 | 4.4 | 13.0 | 2 |
| Unknown peak | 783.1 | NA | NA | NA | 16.8 | 3 |
| Procyanidin monomer glucoside | 451.2 | 9.1 | 18.0 | 0.4 | 19.3 | 4 |
| Epigallocatechin | 305.2 | 19.2 | 24.4 | 4.6 | 19.7 | 5 |
| SBT tannin II | 953.5 | 5368.1 | 5.6 | 27.1 | 20.9 | 7 |
| SBT tannin Ia | 935.5 | 4874.2 | 9.9 | 31.6 | 21.0 | 6 |
| Catechin | 289.1 | 335.0 | 15.6 | 10.4 | 21.5 | – |
| SBT tannin Ib | 935.5 | 6118.0 | 8.9 | 31.6 | 21.6 | 8 |
| Unknown peak | 609.5 | NA | NA | NA | 23.8 | 9 |
| SBT tannin III | 935.5 | 6794.4 | 6.5 | 31.6 | 25.4 | 10 |
| Unknown peak | 623.2 | NA | NA | NA | 25.6 | 11 |
| Rutin | 609.5 | 1309.0 | 23.0 | 30.9 | 26.7 | 12 |
| Quercetin-3-O-galactoside | 463.4 | 175.4 | 19.6 | 6.8 | 28.1 | 13 |
| Isorhamnetin-3-O-rutinoside | 623.5 | 1885.2 | 8.7 | 27.8 | 28.9 | 14 |
| Kaempferol | 285.1 | 3.0 | 27.1 | 0.7 | 30.1 | 15 |
| Isorhamnetin-3-O-glucoside | 477.4 | 63.9 | 12.8 | 4.6 | 30.6 | 16 |
| Quercetin | 301.2 | 5.0 | 19.3 | 3.0 | 37.5 | 19 |