Table 3.
Brine shrimp cytotoxicity and DPPH scavenging assay.
| Brine shrimp lethality (μg/mL) |
DPPH scavenging activity | ||
|---|---|---|---|
| Percentage mortality | LD50 | IC50 (µg/mL) | |
| Plant samples | 250 (μg/mL) | ||
| OXFM | 82.1 ± 2.42 | 26.46 ± 1.64 | 36.36 ± 0.56 |
| OXFH | 61.90 ± 2.76 | 51.06 ± 2.11 | 24.57 ± 0.76 |
| OXSM | 96.66 ± 1.89 | 19.66 ± 1.98 | 57.1 ± 0.65 |
| OXSH | 76.28 ± 1.60 | 48.78 ± 2.06 | 66.8 ± 0.67 |
| OXLM | 53.29 ± 1.73 | 78.56 ± 1.57 | 46.3 ± 0.76 |
| OXLH | 44.31 ± 2.11 | 102.87 ± 1.90 | 56.2 ± 0.87 |
| Ascorbic acid | – | – | 23.74 ± 0.01 |
Abbreviations: OXFM = O. pes-caprae flower methanol; OXFH = O. pes-caprae flower n-hexane; OXSM = O. pes-caprae stem methanol; OXSH = O. pes-caprae stem n-hexane; OXLM = O. pes-caprae leave methanol; OXLH = O. pes-caprae leave n-hexane.