Table 5.
Concentration of organic acids in the root flesh and peel of carrot genotypes (mg 100 g−1 fw).
| Genotype 1 | Oxalic Acid |
Pyruvic Acid |
Ascorbic Acid | Citric Acid |
Malic Acid |
Succinic Acid |
Total | Oxalic Acid/Ca |
|---|---|---|---|---|---|---|---|---|
| Root flesh | ||||||||
| CPL | 3.8 (0.1) c 2 | 1.4 (0.1) a | 2.6 (0.1) c | 1.9 (0.3) a | 311.4 (7.5) a | 19.9 (1.3) a | 341.0 (8.5) a | 0.6 (0.1) b |
| CPT | 12.6 (1.3) b | 0.9 (0.1) b | 3.0 (0.1) b | 0.4 (0.1) a | 274.3 (20.8) b | 6.0 (0.2) b | 297.3 (13.8) b | 1.9 (0.2) a |
| Presto | 16.4 (0.3) a | 0.4 (0.0) c | 4.1 (0.1) a | 1.4 (0.5) a | 246.4 (11.2) c | 1.9 (0.2) c | 270.7(11.0) c | 1.9 (0.2) a |
| Significance 3 | *** | *** | *** | *** | *** | *** | *** | *** |
| Peel | ||||||||
| CPL | 10.4 (0.5) b | 15.3 (1.5) b | 6.8 (0.3) b | 1.1 (0.1) a | 531.6 (8.0) b | 9.9 (0.2) b | 575.1 (9.2) b | 1.1 (0.1) a |
| CPT | 3.5 (0.3) c | 18.2 (1.2) ab | 6.7 (0.2) b | 0.0 (0.0) b | 672.6 (25.1) a | 8.8 (0.5) b | 709.7 (25.0) a | 0.5 (0.1) b |
| Presto | 12.4 (0.2) a | 21.5 (1.4) a | 9.3 (0.2) a | 0.0 (0.0) b | 513.4 (9.8) b | 4.4 (0.1) c | 560.9 (10.0) b | 0.7 (0.1) b |
| Significance 3 | *** | * | *** | *** | *** | *** | *** | *** |
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 *, and ***: significant at p ≤ 0.05 and p ≤ 0.001, respectively.