Table 4.
Concentration of simple carbohydrates and carotenoids in the root flesh and peel of carrot genotypes.
| Genotype 1 | Glucose | Fructose | Sucrose | Total Sugars | Sucrose/ Total Sugars |
Sweetness Index | Lutein | ß-Carotene |
|---|---|---|---|---|---|---|---|---|
| (g 100 g−1 fw) | (µg 100 g−1 fw) | |||||||
| Root flesh | ||||||||
| CPL | 2.1 (0.06) a 2 | 2.1 (0.06) a | 3.9 (0.16) a | 8.1 (0.21) a | 0.48 (0.01) ab | 12.1 (0.31) a | 307 (46) a | 28,430 (1304) a |
| CPT | 1.8 (0.04) b | 1.8 (0.03) b | 3.1 (0.05) b | 6.8 (0.09) b | 0.46 (0.01) b | 10.2 (0.13) b | 122 (14) b | 12,336 (471) c |
| Presto | 2.1 (0.03) a | 2.0 (0.02) a | 4.0 (0.05) a | 8.0 (0.08) a | 0.49 (0.01) a | 12.0 (0.13) a | 270 (73) a | 18,368 (2348) b |
| Significance 3 | *** | *** | *** | *** | ** | *** | * | *** |
| Peel | ||||||||
| CPL | 1.5 (0.05) a | 1.5 (0.03) a | 2.4 (0.07) a | 5.4 (0.10) a | 0.45 (0.01) a | 8.2 (0.15) a | 349 (24) b | 31,849 (1060) a |
| CPT | 1.4 (0.07) b | 1.5 (0.04) a | 2.5 (0.05) a | 5.3 (0.13) a | 0.46 (0.01) a | 8.1 (0.19) a | 433 (32) a | 29,629 (1689) a |
| Presto | 1.4 (0.05) b | 1.4 (0.04) a | 1.7 (0.07) b | 4.6 (0.14) b | 0.37 (0.01) b | 7.0 (0.21) b | 312 (38) b | 22,682 (2150) b |
| Significance 3 | *** | 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, *, ** and ***: not significant, significant at p ≤ 0.05, p ≤ 0.01 and p ≤ 0.001, respectively.