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Table 8 Time Course of Markers of Oxidative Stress for the CoQ10 and Placebo (CON) subjects taken immediately after each performance test.

From: Effects of acute and 14-day coenzyme Q10 supplementation on exercise performance in both trained and untrained individuals

Variable Time CoQ10 Placebo Significance
Superoxide Dismutase (SOD) (U/ml) Baseline T2 1.52 ± 0.31 1.59 ± 0.27 Group 0.103
  Isokinetic T2 1.56 ± 0.24 1.80 ± 0.39 Time 0.001
  Wingate T2 1.75 ± 0.23 1.70 ± 0.22 G × T 0.060
  GXT T2 1.68 ± 0.17 1.70 ± 0.26   
  Baseline T3 1.61 ± 0.40 1.77 ± 0.52 Group 0.296
  Isokinetic T3 1.74 ± 0.37 1.90 ± 0.54 Time 0.001†
  Wingate T3 1.91 ± 0.39 2.06 ± 0.51 G × T 0.966
  GXT T3 1.81 ± 0.42 1.98 ± 0.50   
Thiobarbituric Acid Reactive Substance (TBARS) (μM) Baseline T2 2.79 ± 1.02 2.50 ± 1.34 Group 0.042
  Isokinetic T2 4.11 ± 1.71 3.24 ± 1.69 Time 0.001
  Wingate T2 4.72 ± 2.14 3.35 ± 1.57† G × T 0.018†
  GXT T2 5.09 ± 2.23 3.62 ± 1.90†   
  Baseline T3 3.03 ± 1.03 3.12 ± 1.26 Group 0.540
  Isokinetic T3 4.28 ± 1.72 4.23 ± 1.47 Time 0.001
  Wingate T3 4.25 ± 1.17 4.85 ± 2.11 G × T 0.534
  GXT T3 5.32 ± 2.09 5.52 ± 1.89   
8-Isoprostane (pg/ml) Baseline T2 76 ± 28 78 ± 33 Group 0.616
  Isokinetic T2 86 ± 63 88 ± 61 Time 0.050
  Wingate T2 105 ± 72 99 ± 63 G × T 0.431
  GXT T2 108 ± 67 110 ± 62   
  Baseline T3 84 ± 46 79 ± 35 Group 0.334
  Isokinetic T3 101 ± 37 124 ± 75 Time 0.001
  Wingate T3 114 ± 53 122 ± 69 G × T 0.553
  GXT T3 99 ± 49 111 ± 87   
  1. Data are means and ± standard deviations of mean.
  2. † represents p < 0.05 difference between groups