Table 7.
Major phenolic compounds in carrot and beetroot leaves, average of 3 cultivars (biological replicate n = 1, technical replicate n = 3). BLD = below level of detection. CV = coefficient of variation among cultivars. Peak 8 for the carrot leaves was disregarded due to an erroneous input in the software.
| Species | Phenolic compound | m/z [M−H]− | Content (µg/g DW) | CV% | Detection limit (µg/g DW) | tR (min) | Peak number |
|---|---|---|---|---|---|---|---|
| Carrot leaves | Cynarin | 516.1 | BLD | NA | NA | NA | – |
| Neo-chlorogenic acid | 353.3 | 100.0 | 28.5 | 24.2 | 8.4 | 1 | |
| Chlorogenic acid | 353.3 | 6322.2 | 5.1 | 6.6 | 13.9 | 2 | |
| Caffeic acid | 179.0 | 10.2 | 55.1 | 1.7 | 17.3 | 3 | |
| Unknown peak 593.3 | 593.3 | NA | NA | NA | 19.7 | 4 | |
| Rutin | 609.4 | 15.6 | 38.2 | 5.8 | 31.2 | 5 | |
| Peak 447.3 | 447.3 | 2874.6 | 7.4 | 1.4 | 33.1 | 6 | |
| Quercetin-malonyl-glucoside | 549.2 | 23.1 | 5.0 | 7.2 | 37.9 | 7 | |
| Disregarded peak | NA | NA | NA | NA | 42.5 | 8 | |
| Kaempferol-malonyl-glucoside | 533.2 | 1387.9 | 17.3 | 10.9 | 44.7 | 9 | |
| Beetroot leaves | 2,4,5-trihydroxybenzaldehyde | 153.0 | 33.7 | 26.2 | 5.1 | 5.8 | 1 |
| Unidentified peak 593.3 | 593.3 | NA | NA | NA | 6.9 | 2 | |
| Xylosylvitexin | 563.0 | 2596.1 | 73.6 | 7.6 | 8.2 | 3 | |
| Rutin | 609.5 | 18.9 | 84.1 | 2.6 | 8.9 | 4 | |
| Glucopyranosyl-glucopyranosyl-rhamnetin | 639.0 | 485.3 | 44.7 | 2.6 | 10.8 | 5 | |
| Glucopyranosyl-xylosyl-rhamnetin | 609.3 | 856.8 | 50.7 | 3.6 | 9.6 | 6 | |
| Unknown peak 605.2 | 605.2 | NA | NA | NA | 15.5 | 7 | |
| Unknown peak 577.2 | 577.2 | NA | NA | NA | 15.7 | 8 | |