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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 (%).

From: Mosquito larvicidal activities of Solanum villosum berry extract against the dengue vector Stegomyia aegypti

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