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Table 2 LC50 ± SE values (PPM)a of A. galanga extract on Aedes aegypti, Anopheles dirus B and Culex quinquefasciatus larvae

From: Evaluation of Alpinia galanga (Zingiberaceae) extracts and isolated trans-cinnamic acid on some mosquitoes larvae

Extractb

Aedes aegypti

Anopheles dirus B

Culex quinquefasciatus

24 h

48 h

24 h

48 h

24 h

48 h

H

53.39  ± 2.27ab

41.02 ± 3.56a

36.11 ± 4.46b

17.11 ± 1.39b

24.35 ± 3.78b

18.39 ± 1.297b

D

63.49 ± 5.06a

42.69 ± 2.32a

63.40 ± 2.50c

23.66 ± 2.49c

41.21 ± 5.46c

24.46 ± 4.12c

E

123.29 ± 5.91c

111.49 ± 8.76b

79.35 ± 5.15d

52.79 ± 4.62d

46.59 ± 5.11c

26.45 ± 4.10c

M

1717.05 ± 18.49d

1611.76 ± 10.49c

423.06 ± 9.16e

242.21 ± 3.85e

127.86 ± 2.14d

56.34 ± 1.45d

Cin

45.54  ±  4.48b

37.51 ± 3.76a

24.15 ± 3.78a

14.96 ± 1.12a

6.74 ± 0.68a

7.29 ± 6.22a

T

0.0177 ± 0.003

0.0200 ± 0.003

0.003 ± 0.0001

0.001 ± 0.0003

0.06 ± 0.007e

0.01 ± 0.007

  1. aFor all experiments, results followed by the same letters within the same column are not significantly different by Tukey’s test (P < 0.05)
  2. bExtracts: H, hexane crude extract; D, dichloromethane crude extract; E, ethyl acetate crude extract; M, methanol crude extract; Cin, trans-cinnamic acid; T, positive control (Temephos)