Table 4.
Major phenolic compounds in black currant leaves, average of 5 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 |
|---|---|---|---|---|---|---|
| Gallic acid | 169.2 | 9.3 | 47.1 | 1.7 | 5.6 | 1 |
| Neo-chlorogenic acid | 353.3 | 1047.7 | 39.1 | 26.9 | 11.3 | 2 |
| Epigallocatechin | 305.1 | 1108.3 | 44.9 | 10.5 | 15.2 | 3 |
| Catechin | 289.1 | 376.8 | 25.4 | 25.9 | 17.8 | 4 |
| Chlorogenic acid | 353.3 | 1481.2 | 46.1 | 18.8 | 18.0 | 5 |
| Epicatechin | 289.1 | 285.7 | 46.4 | 8.0 | 23.5 | 6 |
| Myricitin-malonyl-glucoside A | 565.2 | 87.0 | 22.9 | 10.8 | 36.5 | 7 |
| Myricitin-malonyl-glucoside B | 565.2 | 11.6 | 62.7 | 10.8 | 38.0 | 8 |
| Rutin | 609.4 | 1816.4 | 34.0 | 22.8 | 38.2 | 9 |
| Quercetin-3-O-galactoside | 463.1 | 719.1 | 51.0 | 7.4 | 40.0 | 10 |
| Quercetin-3-O-glucoside | 463.1 | 1705.1 | 23.4 | 7.2 | 41.0 | 11 |
| Kaempferol-3-O-rutinoside | 593.3 | 585.0 | 34.7 | 1.5 | 45.8 | 12 |
| Quercetin-3-O-malonyl-glucoside A | 549.2 | 4458.9 | 16.8 | 7.7 | 46.4 | 13 |
| Quercetin-3-O-malonyl-glucoside B | 549.2 | 2553.0 | 59.6 | 7.7 | 47.0 | 14 |
| Isorhamnetin-3-O-rutinoside | 623.3 | 36.2 | 19.9 | 3.0 | 47.3 | Not separated |
| Kaempferol-3-O-glucoside | 447.3 | 447.5 | 21.1 | 3.0 | 48.9 | 15 |
| Isorhamnetin-3-O-glucoside | 477.2 | 5.1 | 74.7 | 2.6 | 50.2 | 16 |
| Kaempferol-malonyl-glucoside A | 533.2 | 102.4 | 51.9 | 3.0 | 53.6 | 17 |
| Kaempferol-malonyl-glucoside B | 533.2 | 5.8 | 50.6 | 3.0 | 56.0 | 18 |
| Quercetin | 301.2 | BLD | NA | NA | 60.7 | – |