Essential Oils of Echinophora lamondiana (Apiales: Umbelliferae): A Relationship Between Chemical Profile and Biting Deterrence and Larvicidal Activity Against Mosquitoes (Diptera: Culicidae)

Journal of Medical Entomology
Abbas AliIkhlas A Khan

Abstract

The essential oils from the flower, leaf, and stem of Echinophora lamondiana B.Yildiz et Z.Bahcecioglu were analyzed by gas chromatography-flame ionization detection and gas chromatography-mass spectrometry. In total, 41, 37, and 44 compounds were identified, which accounted for 98.0, 99.1, and 97.0% of flower, leaf, and stem essential oils, respectively. The monoterpenic hydrocarbons were found to be high in all samples of the essential oils. The major components of essential oils from flower, leaf, and stem of E. lamondiana were δ-3-carene (61.9, 75.0, and 65.9%, respectively), α-phellandrene (20.3, 14.1, and 12.8%, respectively), and terpinolene (2.7, 3.3, and 2.9%, respectively). Flower and leaf essential oils and terpinolene produced biting deterrence similar to 25 nmol/cm(2) N, N-diethyl-meta-toluamide (DEET; 97%) against Aedes aegypti (L.) and Anopheles quadrimaculatus Say. Compounds (+)-δ-3-carene, (R)-(-)-α-phellandrene, and water-distilled essential oils were significantly less repellent than DEET. Among essential oils, leaf oil was the least toxic of the oils, with an LC50 value of 138.3 ppm, whereas flower essential oil killed only 32% larvae, and no mortality of stem oil at highest tested dosages against Ae aegypti...Continue Reading

References

Apr 14, 2005·Journal of the American Mosquito Control Association·Jerome A KlunMustapha Debboun
Apr 9, 2009·Journal of Medical Entomology·Julia W PridgeonKenneth J Linthicum
Aug 19, 2011·Journal of Medical Entomology·Charles L CantrellIkhlas Khan

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Citations

May 12, 2015·Journal of Agricultural and Food Chemistry·Igor A SchepetkinMark T Quinn
Mar 21, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Abbas AliIkhlas A Khan
May 26, 2017·Journal of Medical Entomology·Abbas AliIkhlas A Khan
Aug 24, 2019·Journal of the American Mosquito Control Association·Abbas AliIkhlas A Khan

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