Table 6.
Concentration of phenolic compounds in the root flesh and peel of carrot genotypes (mg kg−1 fw).
| Genotype 1 | Chlorogenic Acid 4 | Caffeic Acid 4 |
5-p-Coumaroyl-quinic Acid |
5-Feruloyl-quinic Acid |
Caffeic Acid Derivate 1 |
Caffeic Acid-o-hexoside |
Ferulic Acid Derivative |
Di-caffeoyl-quinic Acid 4 |
Di-caffeic Acid Derivative |
Caffeic Acid Derivative 2 |
Caffeic/ferulic Acid Derivative | Sum of Un-identified Phenols | Total Phenols |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Root flesh | |||||||||||||
| CPL | 1.7 (1.1) b 2 | 0.002 (0.0003) b | 0.09 (0.03) b | 0.10 (0.04) b | 0.28 (0.22) a | 0.07 (0.02) a | 0.03 (0.02) a | 0.002 (0.001) a | 0.58 (0.46) a | 0.01 (0.001) a | 0.03 (0.02) a | 0.33 (0.12) a | 3.2 (1.9) b |
| CPT | 15.9 (1.3) a | 0.009 (0.0003) a | 3.10 (1.1) a | 0.84 (0.25) a | 0.90 (0.45) a | 0.07 (0.02) a | 0.11 (0.05) a | 0.007 (0.003) a | 1.34 (1.06) a | 0.02 (0.003) a | 0.06 (0.03) a | 0.21 (0.12) a | 22.6 (2.6) a |
| Presto | 9.1 (4.8) ab | 0.014 (0.002) a | 1.59 (0.50) ab | 0.71 (0.26) ab | 0.63 (0.35) a | 0.06 (0.01) a | 0.10 (0.03) a | 0.072 (0.011) a | 0.73 (0.64) a | 0.05 (0.01) a | 0.05 (0.02) a | 0.30 (0.13) a | 13.4 (6.3) ab |
| Significance 3 | * | ** | * | * | ns | ns | ns | ns | ns | ns | ns | ns | * |
| Peel | |||||||||||||
| CPL | 54.5 (8.5) a | 0.005 (0.002) a | 5.8 (1.0) a | 2.3 (0.5) a | 23.6 (5.1) a | 0.25 (0.03) a | 2.3 (0.3) a | 0.253 (0.107) a | 55.4 (13.1) a | 1.1 (0.6) a | 2.7 (0.7) a | 0.30 (0.05) a | 149.5 (28.4) a |
| CPT | 51.1 (7.2) a | 0.003 (0.0003) a | 7.8 (0.9) a | 3.2 (1.3) a | 17.1 (5.1) ab | 0.31 (0.05) a | 2.2 (1.3) a | 0.288 (0.114) a | 28.5 (9.0) ab | 0.5 (0.2) a | 2.0 (1.2) a | 0.18 (0.04) a | 113.2 (25.5) a |
| Presto | 0.7 (0.3) b | 0.004 (0.0003) a | 1.8 (0.2) b | 0.4 (0.09) a | 0.9 (0.4) b | 0.01 (0.001) b | 0.1 (0.05) a | 0.002 (0.001) a | 1.4 (0.7) b | 0.1 (0.02) a | 0.08 (0.03) a | 0.25 (0.03) a | 5.7 (1.4) b |
| Significance | * | ns | * | ns | * | *** | ns | ns | * | ns | ns | ns | * |
1 CPL, “Carota punta lunga”; CPT, “Carota punta tonda”; “Presto”, hybrid; 2 Means (n = 9) (standard error) in columns not sharing the same letters are significantly different according to the LSD test (α = 0.05); 3 ns, *, **, ***: not significant, and significant at p ≤ 0.05, p ≤ 0.01, p ≤ 0.001 respectively; 4 Comparison with standards.