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Table 2 Larvicidal activity of Zanthoxylum acanthopodium essential oil, estragole and eucalyptol against fourth instar Anopheles sinensis larvae

From: Larvicidal activity of Zanthoxylum acanthopodium essential oil against the malaria mosquitoes, Anopheles anthropophagus and Anopheles sinensis

Compounds

Concentration (mg/L)

24 h mortality (%)

LC50 (mg/L) (95% CI)

LC90 (mg/L) (95% CI)

Slope ± S.E.

Chisquare (df)

Essential oil

25

17

49.02 (44.15–49.41)

125.18 (105.90–141.74)

3.29 ± 0.28

2.835 (3)a

50

54

75

68

100

83

125

94

150

100

Estragole

25

28

41.67 (29.48–52.07)

107.89 (82.90–178.83)

3.10 ± 0.28

5.994 (3)a

50

57

75

72

100

89

125

97

150

100

Eucalyptol

25

26

45.49 (33.24–56.33)

124.95 (94.78–213.84)

2.92 ± 0.27

5.329 (3)a

50

51

75

69

100

83

125

95

150

100

DMSO

 

1 ± 0.45

    
  1. Each datum represents the mean of five replicates, each set up with 20 individuals (n = 100)
  2. LC values are considered significantly different when 95% CI fail to overlap
  3. 95% CI confidence interval at 95% confidence level
  4. aThe significance level is more than 0.05. A heterogeneity factor is used in the calculation of confidence limits
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Malaria Journal

ISSN: 1475-2875

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