Table 4.
The 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) Radicals Scavenging Activity of the Different Extracts of C. tiglium L. seeds before and after Incorporating ZnO-NPs
| Extract | IC50 (µg/mL) | Inhibition of ABTS Radicals (%) | |
|---|---|---|---|
| Before | Ethanolic | 18.92 ± 0.05 | 35.23 ± 0.04 |
| Aqueous | 12.91 ± 0.11* | 41.11 ± 0.07* | |
| P. Ether | 28.89 ± 0.06 | 22.15 ± 0.12 | |
| After | ZnO-Ethanolic | 7.17 ± 0.03 | 51.78 ± 0.04 |
| ZnO-Aqueous | 3.78 ± 0.02* | 62.91 ± 0.10* | |
| ZnO-P. Ether | 11.23 ± 0.04 | 38.99 ± 0.09 | |
| Ascorbic acid (Standard) | 3.83 ± 0.02 | 36.78 ± 0.03 |
* denotes the most effective extract, Values expressed as mean of three replicates ± SE.