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  • Title: Lantana montevidensis Essential Oil: Chemical Composition and Mosquito Repellent Activity against Aedes aegypti.
    Author: Blythe EK, Tabanca N, Demirci B, Tsikolia M, Bloomquist JR, Bernier UR.
    Journal: Nat Prod Commun; 2016 Nov; 11(11):1713-1716. PubMed ID: 30475514.
    Abstract:
    The essential oil (EO) of Lantana montevidensis (Spreng.) Briq. (L. sellowiana Link & Otto) was investigated for its chemical composition and mosquito repellent activity. The essential oil obtained by hydrodistillation of aerial plant parts was analyzed by GC-FID and GC-MS. The major constituents were p-elemene (22.0%), β-caryophyllene (20.1%), and germacrene D (9.4%). Sesquiterpene hydrocarbons were present.in considerable quantities (78.9%) in the L. montevidensis EO, followed by oxygenated sesquiterpenes (8.9%), monoterpene hydrocarbons (7.7%), oxygenated monoterpenes (1.9%), diterpenes (1.2%) and other compounds (0.2%). The oil of L. montevidensis was repellent with a minimum effective dosage (MED) of 0.021 ± 0.013 mg/cm(2) as compared with that of the positive control N,N-diethyl-3-methylbenzamide (DEET) with a MED of 0.006 : 0.001 mg/cm(2)) against Aedes aegypti L. The major compound β-elemene was tested individually for its repellency and had a MED value of 0.23 ? 0.14 mg/cm2 (DEET was 0.008 ? 0.001 mg/cm2). This is the first report on the repellent activity of L. montevidensis EO and P-elemene using human-based in vivo assays against Ae. aegypti.
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