Table 2.
Total antioxidant capacity of H. teretifolium constituents.
| Sample | Automated Oxygen Radical Absorbance Capacity (ORAC μM TE/g) | FRAP | TEAC | ||
|---|---|---|---|---|---|
| ROO. (μM/g × 103) | OH. (μM/g × 106) | Prooxidant (μM/g) | μM AAE/g | μM TE/g | |
| HT | 1.313 ± 7.54 | 3.016 ± 5.90 | 4.163 ± 0.83 | 511.89 ± 4.61 | 1179.60 ± 8.20 |
| 1 | 2.833 ± 3.88 | 2.998 ± 1.67 | 2.036 ± 2.98 | ND | ND |
| 2 | 3.113 ± 17.59 | 2.910 ± 6.00 | 3.601 ± 2.23 | 619.91 ± 1.97 | 4170.66 ± 6.72 |
| 3 | 5.025 ± 6.16 | 3.771 ± 3.02 | 4.704 ± 0.27 | 817.94 ± 4.26 | 4529.01 ± 2.44 |
| 4 | 1.063 ± 33.50 | 2.918 ± 4.13 | 3.947 ± 0.29 | 7.052 ± 3.76 | 43.17 ± 6.26 |
| 5 | 0.856 ± 17.35 | 2.997 ± 0.36 | 2.971 ± 1.10 | 67.79 ± 14.27 | 204.15 ± 2.04 |
| 6 | 3.854 ± 5.14 | 2.955 ± 3.41 | 3.799 ± 0.60 | 104.09 ± 4.64 | 519.25 ± 3.66 |
| 7 | 17.836 ± 2.90 | 7.265 ± 0.71 | 4.361 ± 0.78 | 4816.31 ± 7.42 | 1361.70 ± 1.98 |
| 8 | 12.545 ± 5.07 | 6.779 ± 3.40 | 8.963 ± 2.79 | 3584.17 ± 0.54 | 1009.01 ± 1.98 |
| 9 | 10.491 ± 0.97 | 3.675 ± 1.40 | 3.790 ± 1.15 | 191.47 ± 1.39 | 261.30 ± 4.02 |
| 10 | 2.403 ± 2.50 | 2.909 ± 8.41 | 6.482 ± 1.55 | 544.60 ± 6.98 | 699.66 ± 2.28 |
| EGCG | 14.970 ± 5.53 | 3.911 ± 4.65 | 6.483 ± 1.19 | 3326.45 ± 5.76 | 11545.4 ± 17.28 |
HT = H. teretifolium total extract ND = Not detected; EGCG = Epigallocatechin gallate.