Table 3.

Serum and colon levels of total tocopherols and their metabolites

Groupα-Tγ-Tδ-Tγ-CEHCδ-CEHCγ-CMBHCδ-CMBHCγ-CDMDHCδ-CDMDHC
Serum levels (μmol/L)
Control14.39 ± 6.130.09 ± 0.020.02 ± 0.010.01 ± 0.000.13 ± 0.020.02 ± 0.00000
0.2% α-T30.65 ± 6.28b0.16 ± 0.060.09 ± 0.030.04 ± 0.010.32 ± 0.030000
0.2% γ-T4.51 ± 4.35a21.20 ± 9.56b0.02 ± 0.006.07 ± 1.77b0.14 ± 0.000.12 ± 0.04b00.10 ± 0.04b0
0.2% δ-T7.74 ± 4.581.17 ± 0.716.69 ± 3.63b0.49 ± 0.2123.32 ± 5.29b0.02 ± 0.000.23 ± 0.08b00.70 ± 0.01b
Colon levels (nmol/g)
Control18.85 ± 2.800.38 ± 0.390.02 ± 0.010.05 ± 0.040.12 ± 0.100000.15 ± 0.07
0.2% α-T34.83 ± 1.92b0.47 ± 0.320.04 ± 0.020.15 ± 0.201.29 ± 1.420.13 ± 0.20000.21 ± 0.04
0.2% γ-T13.44 ± 1.52a21.49 ± 3.26b0.05 ± 0.066.91 ± 7.62a0.16 ± 0.070.65 ± 1.0100.05 ± 0.03b0.17 ± 0.05
0.2% δ-T18.05 ± 0.881.52 ± 0.7116.91 ± 7.11b0.37 ± 0.347.60 ± 4.95b0.04 ± 0.040.36 ± 0.27b0.05 ± 0.02b0.37 ± 0.06b

NOTE. The samples were from the short-term experiment. Values are mean ± SD. n = 5.

  • aThe value is different from that of the AOM-treated positive control group (P < 0.05 by the ANOVA-Dunnett test).

  • bP < 0.01 by the ANOVA-Dunnett test.