Table 2 Toxicity of the Magnolia denudata seed constituents, their pure organic compounds, and larvicide temephos to third-instar larvae of insecticide-susceptible Culex pipiens pallens during a 24 h exposure.

From: Toxicity and possible mechanisms of action of honokiol from Magnolia denudata seeds against four mosquito species

Compound

Slope ± SE

LC50 (mg/L) (95% CI)

LC90 (mg/L) (95% CI)

χ2

P-value

Natural honokiol

2.4 ± 0.30

6.32 (5.07–7.60)

18.78 (15.30–25.99)

3.10

0.978

Pure honokiol

2.1 ± 0.30

6.38 (5.01–7.78)

19.30 (15.64–27.01)

2.48

0.991

Natural linoleic acid

4.4 ± 0.59

6.97 (6.21–7.68)

19.41 (15.94–26.34)

4.39

0.927

Pure linoleic acid

2.5 ± 0.22

8.36 (6.09–10.40)

47.79 (33.03–46.79)

4.38

0.986

Natural palmitic acid

3.1 ± 0.38

32.56 (28.22–37.19)

112.3 (88.96–156.2)

4.76

0.923

Pure palmitic acid

2.4 ± 0.25

34.92 (29.48–40.76)

119.3 (94.38–166.4)

4.21

0.988

Temephos

1.9 ± 0.21

0.0162 (0.0132–0.0196)

0.0749 (0.0551–0.1177)

3.93

0.991

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