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Table 6 Changes in iron metabolism during exhaustive exercise before and after supplementation

From: Effect of supplementation with chokeberry juice on the inflammatory status and markers of iron metabolism in rowers

Variables Before supplementation After supplementation Exercise P (ANOVA) supplement Exercise - supplement
Pre-exercise x ± SD Post-exercise x ± SD Recovery x ± SD Pre-exercise x ± SD Post-exercise x ± SD Recovery x ± SD
Myoglobin (ng x mL-1)        0.0129 0.835 0.982
SUPL 203 ± 63.8 346 ± 169.5* 230 ± 68.6 228 ± 168.7 405 ± 283.5 300 ± 110.5
PLA 216 ± 21.0 318 ± 109.4* 201 ± 39.6 267 ± 192.5 409 ± 340.2 348 ± 233.4
Ferritin (ng x dL-1)        0.062 0.083 0.069
SUPL 74.25 ± 51.18 71.22 ± 29.23 80.00 ± 52.15 80.87 ± 31.02 89.67 ± 33.14 82.44 ± 28.54
PLA 87.80 ± 27.25 91.00 ± 32.34 87.20 ± 18.58 76.80 ± 24.27 84.00 ± 33.35 77.80 ± 19.25
TIBC (ug x dL-1)        0.087 0.865 0.076
SUPL 320.8 ±32.83 334.2 ± 34.57 325.2 ± 26.82 326.8 ±52.63 339.2 ± 24.37 320.5 ± 31.72
PLA 316.7 ± 26.36 331.4 ± 25.97 328.3 ± 24.3 330.4 ± 48.3 349.5 ± 48.3 329.8 ± 40.6
UIBC (ug x dL-1)        0.498 0.693 0.735
SUPL 175.0 ± 17.92 189.3 ± 18.87 177.6 ± 14.66 183.5 ± 39.72 194.6 ± 54.87 179.7 ± 38.95
PLA 179.3 ± 11.62 192.3 ± 28.41 173.4 ± 15.54 190.1 ± 43.34 198.3 ± 49.73 188.43 ± 43.65
  1. The values represent the mean ±SD. Abbreviations: TIBC total iron-binding capacity, UIBC unsaturated iron-binding capacity, PLA placebo group, SUPL supplemented group; * P < 0.05 relative to pre-exercise - post-exercise.