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Table 4 Concentrations of plasma total blood antioxidant status, lipid peroxidation products and serum brain-derived neurotrophic factor in response to GTE supplementation and CrossFit workout

From: Effects of medium-term green tea extract supplementation combined with CrossFit workout on blood antioxidant status and serum brain-derived neurotrophic factor in young men: a pilot study

Group Variable Trial Rest 3 min post test 1 h post test
PLA FRAP (μmol TE/l) 1st 807.5 ± 39.2 865.6 ± 35.9 945.6 ± 46.0
2nd 1000.2 ± 75.5** 1036.7 ± 74.5** 1093.2 ± 61.8**†
GTE 1st 805.7 ± 108.2 887.8 ± 132.9 901.7 ± 156.3
2nd 1166.1 ± 63.6*** 1210.6 ± 57.5*** 1308.1 ± 101.5***††
PLA TBARS (μmol /l) 1st 4.72 ± 0.6 5.30 ± 0.5 4.65 ± 0.7
2nd 6.28 ± 0.6** 6.98. ± 1.2** 6.19 ± 0.9**
GTE 1st 4.77 ± 0.7 5.16 ± 0.5 4.47 ± 0.7
2nd 4.14 ± 0.6 4.92 ± 0.9 3.69 ± 0.6
PLA BDNF (ng/ml) 1st 9.97 ± 2.6 12.24 ± 1.9†† 11.47 ± 1.8
2nd 11.02 ± 2.6 12.00 ± 2.2 11.71 ± 1.4
GTE 1st 10.78 ± 2.4 11.73 ± 2.5 11.31 ± 2.2
2nd 12.79 ± 2.1 13.19 ± 1.9 12.95 ± 1.7
  1. Data are provided as mean ± standard deviation (SD); Abbreviations: PLA the control placebo group, GTE the supplemented with green tea extract group, FRAP ferric reducing ability of plasma, TBARS lipid peroxidation products, BDNF serum brain-derived neurotrophic factor; Significant differences: *p < 0.05, **p < 0.001,***p < 0.0001 vs. respective basal values before treatment; p < 0.05, ††p < 0.001 vs. resting values