Table 2 Carotenoid contents in white, pale green, and green pak choi
Carotenoids (μg/g dw) | White | Pale green | Green |
|---|---|---|---|
Violaxanthin | 3.74 ± 0.69a | ND | 1.68 ± 0.20b |
Lutein | 269.97 ± 30.47a | 98.15 ± 6.80c | 130.17 ± 13.25b |
Zeaxanthin | 13.21 ± 1.59a | 6.49 ± 0.63c | 10.65 ± 1.01b |
β-cryptoxanthin | 3.00 ± 0.62a | 1.47 ± 0.22c | 1.74 ± 0.11b |
13Z-β-carotene | 43.05 ± 4.17a | 16.08 ± 4.29c | 27.17 ± 1.49b |
α-carotene | 4.87 ± 0.27a | 2.05 ± 0.15b | 2.79 ± 0.32b |
β-carotene | 282.87 ± 38.79a | 123.01 ± 5.69c | 159.37 ± 12.52b |
9Z-β-carotene | 56.38 ± 9.69a | 24.46 ± 0.99c | 29.41 ± 2.40b |
Total | 677.11 ± 86.29a | 271.71 ± 18.76c | 362.98 ± 31.32b |