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Table 2 Concentrations (μmol/L) of tocopherols and tocotrienols in various treatment groups at weeks 0, 6 and 12

From: A 12-week evaluation of annatto tocotrienol supplementation for postmenopausal women: safety, quality of life, body composition, physical activity, and nutrient intake

VE Week 0 Week 6 Week 12 Overall P Value
Placeboa Low TT High TT Placebo Low TT High TT Placebo Low TT High TT  
α-tocopherol 14.64 (6.89) 14.3 (5.71) 12.38 (6.35) 14.03 (7.4) 13.56 (4.43) 13.67 (5.39) 16.17 (6.44) 15.01 (5.64) 12.42 (6.31) 0.771
β-tocopherol 1.86 (1.86) 3.21 (3.70) 2.72 (2.26) 3.07 (2.49) 2.26 (2.19) 2.50 (1.92) 2.43 (2.35) 2.82 (2.66) 2.57 (2.04) 0.571
δ-tocopherol 1.17 (1.22) 1.59 (2.52) 0.94 (1.31) 1.44 (2.41) 1.64 (2.26) 1.98 (1.43) 1.43 (2.37) 2.38 (3.23) 1.84 (1.25) 0.649
γ-tocopherol 2.58 (2.71) 3.79 (3.32) 3.18 (2.15) 3.13 (2.75) 4.38 (3.13) 3.27 (1.83) 3.79 (3.61) 4.23 (3.49) 2.57 (2.07) 0.189
α-tocotrienol 0.92 (1.69) 1.73 (3.45) 1.82 (2.23) 2.68 (3.73) 1.89 (2.81) 0.96 (1.25) 0.87 (1.84) 1.20 (1.93) 1.79 (2.27) 0.847
β-tocotrienol 0.34 (0.70) 0.11 (0.44) 0.49 (0.97) 0.61 (0.87) 0.59 (0.91) 0.33 (0.61) 0.20 (0.54) 0.12 (0.31) 0.91 (1.40) 0.341
δ-tocotrienol 0.54 (0.92) 1.06 (2.34) 0.77 (1.08) 1.05 (2.39) 1.93 (1.81) 2.32 (1.33) 1.14 (1.84) 3.19 (2.71) 2.59 (2.10) 0.042
γ-tocotrienol 0.40 (0.84) 0.77 (2.61) 1.04 (2.56) 1.58 (4.83) 1.46 (2.99) 1.27 (2.09) 1.08 (2.65) 2.71 (4.25) 1.74 (3.24) 0.307
  1. aValues are mean(SD). Repeat measures ANOVA was used to evaluate whether the slopes of change in VE concentration overtime were the same for the three interventions