Table 3.
Antioxidant activities of standards and the extracts from Z. taurica subsp. taurica x.
| Assays | ZTT-EtOAc | ZTT-MeOH | ZTT-W | Trolox | EDTA |
|---|---|---|---|---|---|
| Inhibition Concentration (IC50: mg/mL) | |||||
| DPPH Radical Scavenging | 15.75 ± 0.66 c | 5.74 ± 0.08 b | 7.02 ± 0.23 b | 0.25 ± 0.01 a | - |
| ABTS Radical Scavenging | 6.30 ± 0.03 d | 2.74 ± 0.10 c | 2.39 ± 0.10 b | 0.26 ± 0.01 a | - |
| Phosphomolybdenum | 2.60 ± 0.03 c | 1.84 ± 0.08 b | 3.80 ± 0.17 d | 1.15 ± 0.01 a | - |
| CUPRAC Reducing Power | 2.39 ± 0.10 b | 2.24 ± 0.11 b | 2.80 ± 0.02 c | 0.31 ± 0.02 a | - |
| FRAP Reducing Power | 3.41 ± 0.28 c | 1.42 ± 0.04 b | 1.71 ± 0.02 b | 0.1 ± 0.01 a | - |
| Ferrous Ion Chelating | 51.40 ± 1.32 c | 3.77 ± 0.09 b | 1.04 ± 0.01 b | - | 0.034 ± 0.003 a |
| Antioxidant Activity | |||||
| DPPH Radical Scavenging (mg TE/g extract) | 15.01 ± 0.68 c | 42.15 ± 0.6 1a | 33.99 ± 1.21 b | - | - |
| ABTS Radical Scavenging (mg TE/g extract) | 42.06 ± 0.22 c | 97.01 ± 3.45 b | 111.94 ± 4.74 a | - | - |
| Phosphomolybdenum (mg TE/g extract) | 446.22 ± 4.94 b | 630.08 ± 28.80 a | 304.30 ± 13.99 c | - | - |
| CUPRAC Reducing Power (mg TE/g extract) | 131.89 ± 5.95 a | 134.66 ± 7.00 a | 105.47 ± 0.70 b | - | - |
| FRAP Reducing Power (mg TE/g extract) | 30.79 ± 2.55 c | 73.62 ± 1.85 a | 61.27 ± 0.67 b | - | - |
| Ferrous Ion Chelating (mg EDTAE/g extract) | 1.03 ± 0.04 c | 18.53 ± 0.47 b | 69.31 ± 0.18 a | - | - |
x Within each row, means sharing the different superscripts show a comparison between the samples by Tukey’s test at p<0.05. TE and EDTA: Trolox and Ethylenediaminetetraacetic acid (disodium salt) equivalents, respectively.