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

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

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^†
PLA		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
GTE		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
PLA		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
GTE		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^†
PLA		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
GTE		2nd	12.79 ± 2.1	13.19 ± 1.9	12.95 ± 1.7

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

ISSN: 1550-2783