Table 6.
Effect of molecular distillation on the content of tocopherol of WGO.
| Tocopherol (mg/kg) | 110 °C | 130 °C | 150 °C | 170 °C | 190 °C | 210 °C |
|---|---|---|---|---|---|---|
| Total tocopherol | 3709.4 ± 10.3 a | 3676.6 ± 18.4 a | 3285.2 ± 15.9 b | 661.7 ± 19.8 c | 485.9 ± 17.3 d | 383.5 ± 13.3 e |
| α-tocopherol | 2362.7 ± 15.6 a | 2422.7 ± 16.9 a | 2246.2 ± 16.9 b | 517.1 ± 19.6 c | 393.3 ± 21.3 d | 310.9 ± 19.7 e |
| β-tocopherol | 1007.7 ± 17.5 a | 994.4 ± 19.5 a | 874.3 ± 14.7 b | 121.0 ± 16.9 c | 75.1 ± 9.2 d | 58.7 ± 10.3 d |
| γ-tocopherol | 311.6 ± 11.2 a | 234.4 ± 3.6 b | 150.1 ± 2.4 c | 23.6 ± 2.1 d | 17.5 ± 1.2 d | 12.9 ± 0.6 d |
Each value is expressed as mean ± standard deviation (n = 3). a–e Means with different letters within a row are significantly different (p < 0.05) by Bonferroni t-test.