Table 3.
Antioxidant Activity of the Different Extracts of C. tiglium L. seeds before and after Incorporating ZnO-NPs
| Extract | Total Polyphenols (mg gallic acid/100 gm) |
Total Condensed Tannins (μg/mL) | Total Antioxidant Capacity (mg gallic acid/gm) | Iron Reducing Power (µg/mL) |
|
|---|---|---|---|---|---|
| Before | Ethanolic | 60.02 ± 1.37 | 22.10 ± 0.18 | 103.79 ± 1.37 | 98.94 ± 1.02 |
| Aqueous | 124.44 ± 2.19* | 26.95 ± 0.12* | 140.53 ± 2.00* | 138.82 ± 4.51* | |
| P. Ether | 22.71 ± 1.03 | - | 75.76 ± 1.65 | 64.55 ± 1.42 | |
| After | ZnO-Ethanolic | 114.04 ± 2.61 | 31.13 ± 0.09 | 185.78 ± 2.44 | 178.09 ± 1.84 |
| ZnO-Aqueous | 236.44 ± 4.16* | 36.93 ± 0.10* | 251.55 ± 3.59* | 249.88 ± 8.12* | |
| ZnO-P. Ether | 43.15 ± 1.96 | - | 135.61 ± 2.96 | 116.18 ± 2.55 | |
* denotes the most effective extract, Values expressed as mean of three replicates ± SE.