Table 6. Vitamin contents of carrots by different cooking conditions
(unit: mg/100 g)
Cooking methods | β-Carotene | α-Tocopherol | β-Tocopherol | γ-Tocopherol | Δ-Tocopherol | Total vitamin E | Folic acid |
RA11) | 1,977.2±513.92)d3) | 0.5±0.2c | 0.2±0.1b | - | - | 0.5±0.5 | 18.8±6.5 |
BO2 | 3,642.8±793.4c | 0.7±0.12bC | 0.2±0.0b | - | - | 0.7±0.6 | 17.3±4.5 |
PR3 | 5,128.7±766.1b | 0.8±0.2abC | 0.3±0.0b | - | - | 0.8±0.7 | 18.3±1.4 |
PF4 | 4,151.1±887.3bC | 1.3±0.6aB | 0.3±0.1aB | 1.6±0.2b | 0.4±0.1b | 2.6±2.1 | 19.0±2.8 |
DF5 | 7,686.8±368.5a | 1.4±0.4a | 0.4±0.1a | 2.0±0.3a | 0.4±0.1a | 3.3±2.5 | 25.2±10.9 |
ST6 | 3,879.5±677.1bC | 0.7±0.2bC | 0.2±0.1b | - | - | 0.7±0.6 | 19.4±5.5 |
F-value | 22.7***4) | 3.8* | 3.0 | 161.9*** | 42.5*** | 2.1 | 0.6 |
RA1, control (raw material); BO2, boiling; PR3, pan-roasting; PF4, stir-frying; DF5, deep-frying; ST6, steaming.
Values are Mean±SD (n=3).
Means with different superscripts in a row are significantly different by the Duncan’s multiple range test p<0.05.
*p<0.05, **p<0.01, ***p<0.001.