Phytochemical Profiling and Larval Control of Erythrina variegata Methanol Fraction against Malarial and Filarial Vector
Table 1
Percentage mortality of mosquito larvae of An. stephensi and Cx. quinquefasciatus exposed to different concentrations of different solvent leaf extracts of E. variegata.
Solvents
Mortality rate (%) (Mean ± SD)
Concentration (ppm)
An. Stephensi
Cx. quinquefasciatus
Hexane
Control
0
0
50 g/ml
3.20 ±1.7 (10.2%)
6.60 ±1.8 (13.3%)
100 g/ml
8.80 ±2.6 (17.8%)
11.80±2.2 (23.9%)
150 g/ml
16.20±2.7 (24.7%)
23.60±1.7 (38.4%)
200 g/ml
34.60±2.6 (36.8%)
42.80±2.2 (48.2%)
250 g/ml
62.80±2.7 (54.2%)
73.40±1.7 (63.5%)
Total percentage of death rate (%)
28.74%
37.46%
Ethyl acetate
Control
0
0
50 g/ml
8.80±2.4 (24.2)
14.40±3.8 (24.2)
100 g/ml
15.60±3.1 (35.6)
22.80±2.1 (37.9)
150 g/ml
31.80±2.3 (46.9)
40.80±3.6 (48.7)
200 g/ml
60.20±2.3 (62.7)
74.20±3.5 (63.5)
250 g/ml
81.40±1.7 (69.3)
97.60±0.8 (96.8)
Total percentage of death rate (%)
47.74%
54.22%
Chloroform
Control
0
0
50 g/ml
5.40 ±2.6 (15.2)
9.80±2.6 (20.3)
100 g/ml
12.80±2.4 (24.9)
19.20±3.2 (31.8)
150 g/ml
20.60±2.5 (41.5)
32.60±2.2 (44.5)
200 g/ml
36.20±2.5 (51.7)
53.20±2.5 (58.4)
250 g/ml
65.80±2.1 (56.4)
86.20±2.1 (74.6)
Total percentage of death rate (%)
37.94%
45.92%
Methanol
Control
0
0
50 g/ml
12.20±3.2 (26.2)
16.80±2.7 (29.3)
100 g/ml
21.80±2.5 (36.8)
26.20±2.6 (42.5)
150 g/ml
39.80±2.6 (51.6)
45.60±3.8 (54.8)
200 g/ml
68.20±3.9 (67.7)
81.40±1.9 (72.7)
250 g/ml
92.60±1.6 (92.8)
100.0±0.0 (98.2)
Total percentage of death rate (%)
55.02%
59.5%
Values are mean ± SD of four replicates. Within each row, different letters indicate significant differences (ANOVA, New Duncan test, and P<0.05).
