Table 3.
In vitro cytotoxic properties with LC50 (obtained from brine shrimp lethality assay) values of methanolic extracts and their various solvent fractions of Ophiorrhiza fasciculata and Psychotria silhetensis.
| Test samples |
Ophiorrhiza fasciculata |
Psychotria silhetensis |
|---|---|---|
| LC50 (μg/mL) | LC50 (μg/mL) | |
| Methanol (crude) extract | 31.08 | 26.23 |
| Petroleum ether fraction | 1.41 | 8.71 |
| Dichloromethane fraction | 12.13 | 164.55 |
| Chloroform fraction | 51.27 | 215.54 |
| Aqueous fraction | 174.4 | 1.94 |
| Vincristine sulfate (Standard) | 0.451 | 0.451 |