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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