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Table 3 Metabolic responses to 80-min of Exercise at 75% VO 2 max

From: Natural versus commercial carbohydrate supplementation and endurance running performance

Variable Raisins   Chews   Water
Glucose, mmol L-1
 Rest 5.3 ± 0.4   5.3 ± 0.4   5.3 ± 0.5
 20 min 5.2 ± 0.9   5.7 ± 1.2   5.6 ± 0.6
 40 min 5.8 ± 0.6   6.2 ± 0.7 $ 5.7 ± 0.6
 60 min 5.8 ± 0.7   5.8 ± 0.5   5.2 ± 0.6
 80 min 5.9 ± 0.8 5.8 ± 0.6   5.2 ± 0.6
Exercise mean 5.6 ± 0.7   5.8 ± 0.7 * 5.5 ± 0.6
Lactate, mmol L-1
 Rest 1.1 ± 0.2   1.3 ± 0.4   1.2 ± 0.3
 20 min 2.3 ± 0.6   2.6 ± 1.0   2.3 ± 0.9
 40 min 2.1 ± 0.7   2.4 ± 1.2   2.3 ± 0.6
 60 min 2.1 ± 0.5   2.2 ± 0.8   2.0 ± 0.5
 80 min 2.1 ± 0.5   2.0 ± 0.6   2.0 ± 0.4
Exercise mean 1.9 ± 0.5   2.1 ± 0.8   2.0 ± 0.5
Glycerol, mmol L-1
 Rest 0.09 ± 0.06   0.11 ± 0.06   0.12 ± 0.07
 20 min 0.11 ± 0.05   0.15 ± 0.08   0.14 ± 0.05
 40 min 0.12 ± 0.06   0.14 ± 0.08   0.13 ± 0.06
 60 min 0.13 ± 0.06   0.14 ± 0.07   0.14 ± 0.05
 80 min 0.14 ± 0.05   0.14 ± 0.07   0.15 ± 0.06
Exercise mean 0.12 ± 0.05   0.14 ± 0.07   0.14 ± 0.06
  1. Values are means ± SD for 11 men.
  2. *, significantly different from water;
  3. $, significantly different from rest; †, from 20 min.
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