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. 2002 Jul 26;544(Pt 1):303–313. doi: 10.1113/jphysiol.2002.022764

Table 5.

Plasma lactate, glucose, glycerol and free fatty acid (FFA) concentration at rest and during exercise in control and respiratory alkalosis

Exercise

Metabolite Condition Pre-equilibration Rest 5 min 10 min 14 min
Lactate Con ND 1.2 ± 0.1 2.8 ± 0.3* 3.6 ± 0.3* 3.7 ± 0.4*
R-Alk 1.2 ± 0.1* 2.4 ± 0.4 4.4 ± 0.6* 5.1 ± 0.6* 5.3 ± 0.5*
Glucose Con ND 4.1 ± 0.2 3.8 ± 0.2 3.8 ± 0.1 3.9 ± 0.1
R-Alk 4.1 ± 0.2 4.3 ± 0.2 4.2 ± 0.3 4.2 ± 0.3 4.2 ± 0.3
Glycerol Con ND 38.0 ± 4.9 36.4 ± 2.3 42.6 ± 7.1 30.8 ± 4.9
R-Alk 27.8 ± 1.3 33.9 ± 6.0 47.1 ± 4.0 56.3 ± 4.7 49.7 ± 6.5
FFA Con ND 0.36 ± 0.07 0.38 ± 0.07 0.38 ± 0.07 0.40 ± 0.07
R-Alk 0.38 ± 0.07 0.50 ± 0.05 0.47 ± 0.06 0.47 ± 0.08 0.55 ± 0.09

Values are means ±s.e.m.; glycerol is expressed in μm; all other measurements are expressed in mm. FFA, free fatty acid; ND, not determined.

*

Significant from rest

significant from control.