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Table 3 Toxicity of Zanthoxylum piperitum bark constituents and temephos to third-instar larvae from insecticide-susceptible KS-CP strain of Culex pipiens pallens during a 24 h exposure

From: Larvicidal activity of lignans and alkaloid identified in Zanthoxylum piperitum bark toward insecticide-susceptible and wild Culex pipiens pallens and Aedes aegypti

Compound n a Slope ± SE LC50, mg/l (95% CIb) LC90, mg/l (95% CIb) χ 2c P-value
XDA (2)d 420 1.8 ± 0.10 0.27 (0.24–0.30) 1.44 (1.21–1.79) 6.61 0.980
Pellitorine (3) 300 2.5 ± 0.23 1.12 (0.95–1.35) 3.75 (2.95–5.20) 5.67 0.957
Sesamin (4) 240 2.8 ± 0.31 14.28 (12.24–16.66) 40.48 (32.03–56.93) 1.82 0.997
Asarinin (1) 300 4.4 ± 0.45 38.90 (35.26–42.50) 75.77 (67.01–89.69) 6.34 0.932
Temephos 300 1.4 ± 0.18 0.006 (0.005–0.008) 0.049 (0.032–0.096) 2.49 0.999
  1. aNumber of larvae tested
  2. bCI denotes confidence interval
  3. cPearson’s chi-square goodness-of-fit test
  4. dXanthoxylol-γ,γ-dimethylallylether