Table 2.
Effects of 12 wk α-tocopherol supplementation (E+) or restriction (E-) on phylloquinone and MK-4 concentrations in plasma and tissue of rats1,2,3
Phylloquinone | MK-4 | |||||||
E+ (100 mg all-rac-α-tocopherol) | Control (30 mg all-rac-α-tocopherol) | E- (<10 mg total tocopherol) | P | E+ (100 mg all-rac-α-tocopherol) | Control (30 mg all-rac-α-tocopherol) | E- (<10 mg total tocopherol) | P | |
n = 10 | n = 13 | n = 10 | n = 10 | n = 13 | n = 10 | |||
Plasma (pmol/mL) | 7.4 ± 0.7a | 10.6 ± 0.8b | 8.7 ± 0.9a | 0.03 | 0.1 ± 0.3a | 1.7 ± 0.7b | 0.36 ± 0.1b | 0.04 |
Liver (pmol/g protein) | 670 ± 79a | 698 ± 41a | 643 ± 91a | 0.86 | ND4 | 0.9 ± 0.9 | ND4 | 0.50 |
Spleen (pmol/g protein) | 531 ± 58a | 531 ± 48a | 735 ± 77b | 0.04 | 163 ± 30a | 133 ± 19a | 153 ± 29a | 0.69 |
1All 3 diets contained 460 μg phylloquinone/kg of diet
2Values are mean ± SEM
3Means with different superscript letters are significantly different, P <0.05 (ANOVA with Bonferroni Correction)
4Not detectable