Table 5.
Antioxidant activities of bud extracts. Values are expressed as mean ± SDs (n = 5). J, Jičín; HK, Hradec Králové; O, Opatovice n. Labem; N, Naděje; RA, Rabštejnská Apatyka. Different letters show significant differences (p < 0.05) between groups for the same experiment.
| DPPH (%) | ABTS (%) | OH (%) | O2− (%) | NO·(%) | |
|---|---|---|---|---|---|
| Acer | |||||
| J | 98.13 ± 0.25 a | 95.84 ± 0.96 a | 93.04 ± 0.20 a | 72.28 ± 2.34 d | 63.85 ± 0.36 bc |
| HK | 95.15 ± 0.72 b | 96.66 ± 0.16 a | 86.95 ± 0.80 b | 87.17 ± 1.10 b | 79.91 ± 1.39 a |
| O | 98.44 ± 0.20 a | 97.02 ± 0.05 a | 88.40 ± 0.11 b | 79.73 ± 0.60 c | 80.86 ± 1.93 a |
| N | 98.16 ± 0.13 a | 96.51 ± 0.38 a | 84.69 ± 0.72 c | 97.94 ± 1.91 a | 63.36 ± 2.45 c |
| RA | 98.77 ± 0.03 a | 97.04 ± 0.13 a | 88.40 ± 0.57 b | 90.38 ± 0.91 b | 67.75 ± 0.81 b |
| Betula | |||||
| J | 98.76 ± 0.06 b | 94.67 ± 2.61 ab | 84.30 ± 0.69 b | 93.70 ± 1.05 a | 68.33 ± 0.63 b |
| HK | 98.63 ± 0.07 b | 95.94 ± 1.41 ab | 86.68 ± 2.48 ab | 93.01 ± 1.70 a | 67.64 ± 0.58 b |
| O | 98.31 ± 0.43 b | 97.05 ± 0.05 a | 89.80 ± 2.53 a | 94.50 ± 1.82 a | 65.42 ± 0.46 b |
| N | 99.73 ± 0.01 a | 92.28 ± 0.46 b | 87.08 ± 1.30 ab | 91.52 ± 1.11 a | 72.42 ± 0.64 a |
| RA | 99.58 ± 0.01 a | 95.17 ± 1.16 ab | 90.13 ± 0.50 a | 93.13 ± 2.73 a | 73.14 ± 2.65 a |
| Quercus | |||||
| J | 98.60 ± 0.16 c | 93.75 ± 1.64 a | 86.68 ± 0.72 ab | 85.22 ± 1.91 b | 79.03 ± 1.81 a |
| HK | 98.82 ± 0.13 bc | 96.92 ± 0.16 a | 89.73 ± 0.30 a | 90.82 ± 1.70 a | 66.18 ± 0.12 c |
| O | 98.91 ± 0.08 ab | 90.44 ± 0.11 a | 88.34 ± 4.38 a | 75.95 ± 0.60 c | 63.52 ± 1.13 c |
| N | 99.05 ± 0.08 ab | 94.39 ± 2.65 a | 82.44 ± 0.30 b | 83.39 ± 1.89 b | 59.09 ± 1.01 d |
| RA | 99.17 ± 0.02 a | 95.92 ± 1.18 a | 88.14 ± 0.75 a | 90.72 ± 0.62 b | 70.23 ± 0.98 b |