Table 2.
Total antioxidant capacities of the isolated compounds and methanol extract.
| Sample | FRAP µM AAE/g |
TEAC µM TE/g |
ORAC Peroxyl µM TE/g |
ORAC Hydroxyl × 106 µM TE/g |
LPO |
|---|---|---|---|---|---|
| HR | 906.71 ± 5.18 | 765.23 ± 2.43 | 2935.16 ± 3.92 | 1.817 ± 1.72 | 61.09 ± 4.19 |
| C-1 | 1251.45 ± 4.18 | 1131.80 ± 6.41 | 3523.51 ± 3.22 | 2.114 ± 4.01 | 13.123 ± 0.34 |
| C-2 | 1402.62 ± 5.77 | 1276.11 ± 1.32 | 2935.47 ± 0.13 | 2.413 ± 6.20 | 16.42 ± 0.92 |
| C-3 | 1314.42 ± 2.42 | 1378.10 ± 9.06 | 2431.30 ± 8.63 | 1.924 ± 16.40 | 11.64 ± 1.72 |
| C-4 | 1119.44 ± 11.89 | 1207.11 ± 7.21 | 2814.51 ± 5.20 | 1.917 ± 3.91 | 14.90 ± 0.06 |
| C-5 | 19.66 ± 8.12 | 1105.00 ± 3.09 | 364.44 ± 6.71 | 0.429 ± 12.00 | >100 |
| C-6 | 29.39 ± 5.84 | 1361.90 ± 0.35 | 914.29 ± 2.74 | 0.531 ± 10.24 | >100 |
| C-7 | 60.90 ± 7.90 | 1424.51 ± 0.70 | 93.10 ± 13.68 | 0.845 ± 13.34 | >100 |
| EGCG | 3326.45 ± 5.76 | 11545.44 ± 17.28 | 14693.09 ± 5.53 | 3.862 ± 4.65 | 0.929 ± 4.11 |
p < 0.05; HR: methanol extract from H. rutilans; C-1–C-7: isolated compounds; NA: not applicable; EGCG: Epigallocatechin gallate.