Table 4.
Extracts/Fractions | LC50, ppm (95% confidence limit) | LC90, ppm (95% confidence limit) |
---|---|---|
Crude ethanol | 411 (376–445) | 970 (866–1119) |
Ethyl acetate | 18.59a (16.10–21.02) | 65.047a (55.529–79.59) |
Hexane | 685 (633–731) | 1343 (1232–1501) |
Aqueous | 20,158 (18,444–21,995) | 55,781 (47,273–69,867) |
Positivecontrol | 0.65 (0.59–0.71) | 1.29 (1.14–1.55) |
aExtract with highest efficacy as shown by low LC50 and LC90 values.