Table 2.
Oxidative stress markers in the serum of rats treated with yerba mate.
| Group | TBARS (nmol/mg of protein) | Carbonyl Protein (nmol DNPH/mg of protein) | Nitric Oxide (nmol/mg of protein) | Superoxide Dismutase (U SOD/mg of protein) | Catalase (mmol H2O2/min/mg of protein) | Sulfhydryl Protein (nmol DTNB/mg of protein) |
|---|---|---|---|---|---|---|
| Control | 1.74 ± 0.08 # | 1.59 ± 0.24 # | 1.89 ± 0.22 # | 5.30 ± 0.70 # | 13.52 ± 0.57 # | 0.43 ± 0.07 # |
| Pentylenetetrazol (PTZ) | 2.44 ± 0.06 * | 3.78 ± 0.10 * | 5.13 ± 0.06 * | 0.25 ± 0.02 * | 7.20 ± 0.70 * | 0.07 ± 0.01 * |
| Organic yerba mate | 1.79 ± 0.13 # | 1.60 ± 0.15 # | 2.12 ± 0.40 # | 8.06 ± 0.31 # | 15.06 ± 1.02 # | 0.50 ± 0.10 # |
| Conventional yerba mate | 1.76 ± 0.04 # | 1.48 ± 0.17 # | 2.02 ± 0.56 # | 7.19 ± 0.36 # | 14.53 ± 0.70 # | 0.46 ± 0.03 # |
| Organic yerba mate + PTZ | 2.03 ± 0.19 # | 1.93 ± 0.21 # | 2.59 ± 0.23 # | 6.98 ± 0.54 # | 13.58 ± 1.31 # | 0.43 ± 0.02 # |
| Conventional yerba mate +PTZ | 1.90 ± 0.17 # | 2.05 ± 0.18 # | 2.26 ± 0.72 # | 5.13 ± 0.77 # | 11.10 ± 0.90 # | 0.34 ± 0.06 # |
Data are mean ± S.E.M. values. * Values significantly different from the control group; # Values significantly different from PTZ group. ANOVA and Tukey’s post-hoc test (p ≤ 0.05) were used.