Enzymatic determinations of the plasma concentration

Enzymatic determinations of the plasma concentration ubiquitin-Proteasome system of total antioxidant status (TAS), superoxide dismutase (SOD), glutathione reductase (GR) and glutathione peroxidase (GPx) were performed in our laboratory. TAS was determined using the NX2332 kit from Randox laboratories. GR was measured photometrically using

the RS 2368 kit. (Randox), SOD using the Superoxide Dismutase Assay Kit (Cayman chemical) and GPx with the Glutathione Peroxidase Assay kit (Cayman chemical). Statistical analysis Means and standard deviations (SD) were calculated for all measured variables. Dietary Reference Intakes (DRI) [19–22] were considered to be reference values of adequate intake. After pooling all participants together for each nutrient, participants were classified into two groups: those players who met the recommendation according see more to the DRI (REC group) and those who did not meet recommendations (NO-REC group). As two soccer matches were considered, these data from 56 measurements at each time point in

the match were included in the statistical analysis. Both groups (REC and NO-REC groups for each nutrient) were checked for normality using the Shapiro-Wilk (if n < 50) and the Kolmogorov-Smirnov (if n > 50) statistical tests. Depending on the normality of these data, the Student-t test (parametric data) or the Mann–Milciclib cost Whitney U-test (non-parametric data) test was used. Thus, we compared the different blood parameters at each of the three time points during the soccer match (before, immediately after and 18 h after) for the REC and NO-REC groups. The Statistical Package for the Social Sciences

(SPSS Inc., version 16.0) was used for all analyses. The significance level was set at p ≤ 0.05. Results General considerations in nutritional profile The mean of reported energy Liothyronine Sodium (n = 42) calculated from 8-d records was 2271 ± 578 kcal/day. The nutrition pattern of these players was characterized by a higher protein (15 ± 2%), a lower carbohydrate (44.3 ± 6%) and a higher fat diet (37 ± 7%), compared with the nutritional recommendations (protein 10-12%; carbohydrates 50-60%; fat <35%). Fiber ingestion was also lower (20 ± 7 g/day) than the recommendation (25–26 g/day). We also observed a higher cholesterol intake (340 mg/day) than recommended (<300 mg). Fatty acid intake was adequate, except for saturated fatty acids (12.4 ± 3% contribution to total energy).

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