|
Efficacy of different concentrations of polar and non-polar solvent extracts of the green berries of S. villosum on third instar larvae of S. aegypti. M, mortality (%); S, survivality (%). |
|||||||
| Type of solvents |
Concentrations (ppm) |
Period of exposure (hours) |
|||||
|
|
|||||||
| 24 |
48 |
72 |
|||||
|
|
|||||||
| M |
S |
M |
S |
M |
S |
||
|
|
|||||||
| Petroleum ether |
50 |
3.33 |
96.67 |
6.67 |
93.33 |
13.33 |
86.67 |
| 25 |
3.33 |
96.67 |
3.33 |
96.67 |
10 |
90 |
|
| 15 |
0 |
100 |
3.33 |
96.67 |
6.67 |
93.33 |
|
| Benzene |
50 |
6.67 |
93.33 |
13.33 |
86.67 |
23.33 |
76.67 |
| 25 |
3.33 |
96.67 |
6.67 |
93.33 |
16.67 |
83.33 |
|
| 15 |
3.33 |
96.67 |
6.67 |
93.33 |
13.33 |
86.67 |
|
| Chloroform: methanol |
50 |
70 |
30 |
73.33 |
26.66 |
76.66 |
23.33 |
| 25 |
53.33 |
46.66 |
56.66 |
43.33 |
56.66 |
43.33 |
|
| 15 |
40 |
60 |
43.33 |
56.66 |
43.33 |
56.66 |
|
| Acetone |
50 |
6.67 |
93.33 |
10 |
90 |
13.33 |
86.67 |
| 25 |
6.67 |
93.33 |
10 |
90 |
10 |
90 |
|
| 15 |
3.33 |
96.67 |
6.67 |
93.33 |
10 |
90 |
|
| Absolute alcohol |
50 |
30 |
70 |
36.67 |
63.63 |
50 |
50 |
| 25 |
13.33 |
86.67 |
23.33 |
76.67 |
33.33 |
66.67 |
|
| 15 |
10 |
90 |
16.67 |
83.33 |
26.67 |
73.33 |
|
Chowdhury et al. BMC Complementary and Alternative Medicine 2008 8:10 doi:10.1186/1472-6882-8-10 |
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