Electrophysiological and behavioral characterization of bioactive compounds of the Thymus vulgaris, Cymbopogon winterianus, Cuminum cyminum and Cinnamomum zeylanicum essential oils against Anopheles gambiae and prospects for their use as bednet treatments

Table 4 EAG response of Anopheles gambiae to 17 synthetic compounds of four essential oils

	Mean^a	Std dev	Std error	Tukey’s hsd
Cinnamaldehyde	0.79	0.50	0.10	a
Linalool	0.50	0.42	0.08	ab
Cuminaldehyde	0.49	0.30	0.06	ab
Citronellal	0.48	0.33	0.06	ab
Caryophyllene	0.40	0.66	0.13	bc
Cinnamyl acetate	0.31	0.82	0.16	bc
Geraniol	0.31	0.36	0.07	c
β-pinene	0.21	0.36	0.07	cd
Methoxycinnamaldehyde	0.20	0.29	0.06	cd
Geranyl acetate	0.20	0.21	0.04	cd
Citronellol	0.18	0.26	0.05	cd
p-cymene	0.15	0.59	0.12	cd
γ-terpinene	0.06	0.13	0.03	d
α-terpinene	0.06	0.09	0.02	d
Limonene	0.05	0.11	0.02	d
Carvacrol	0.04	0.10	0.02	d
Thymol	0.01	0.05	0.01	d

^aEAG amplitudes (mean) are control-adjusted and presented as relative response to the standard, 100 μM octanal. Each compound was tested on 28 female mosquitoes at 1 % (v/v) concentration in ethanol

ISSN: 1756-3305