The essential oil of Lippia alba Mill (Lamiales:Verbenaceae) as mosquitocidal and repellent agent against Culex quinquefasciatus Say (Diptera: Culicidae) and Aedes aegypti Linn (Diptera: Culicidae)

The Journal of Basic and Applied Zoology

Table 5 Probable major components of essential oil of L. alba

Component	Molecular weight	Retention index	Chemical formula	Area (percent)	Retention time (min)
Caryophyllene oxide	220	1576	C₁₅H₂₄O	9.56	12.61
2, 7 octadione-1-butoxy	182	1288	C₁₂H₂₂O	11.09	4.07
2- isopropenyl-5-methyl hex-4-enol	152	1092	C₁₀H₁₆O	11.30	7.86
Aromdendrene oxide	220	1678	C₁₅H₂₄O	9.96	13.44