Table 2

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