Publication Type: | Journal Article |
Year of Publication: | 2011 |
Authors: | D. Pitarokili, Michaelakis, A., Koliopoulos, G., Giatropoulos, A., Tzakou, O. |
Journal: | Parasitology research |
Volume: | 21 |
Pagination: | 1 - 6 |
Date Published: | 2011/// |
Abstract: | The volatile metabolites of Greek wild growing Thymus leucospermus and Thymus teucrioides subsp. candilicus were determined by gas chromatography and gas chromatography-mass spectrometry. The monoterpene hydrocarbon p-cymene (64.2%) dominated T. leucospermus oil, followed by γ-terpinene (7.9%), thymol (4.8%), and borneol (4.7%), whereas the most abundant constituents in T. teucrioides subsp. candilicus oil were p-cymene (25.5%), γ-terpinene (19.0%), thymol (18.8%), borneol (5.7%), and α-pinene (5.7%). The larvicidal and repellent activities of the analyzed essential oils were tested on Culex pipiens larvae and adults, respectively. Additionally, the main metabolite of the essential oils, p-cymene was tested against C. pipiens adults in order to define the affiliation between p-cymene and the repellent properties of the oil. The essential oils of T. leucospermus and T. teucrioides subsp. candilicus provided repellency 78.1% and 72.9%, respectively, statistically equal to the reference product icaridin. The compound p-cymene showed almost no repellent activity. The essential oil of T. leucospermus presented lower larvicidal activity (LC50 = 34.26 mgl-1) against C. pipiens third-fourth instar larvae while T. teucrioides subsp. candilicus was the most active with an estimated LC50 value of 23.17 mgl-1. © 2011 Springer-Verlag. |
URL: | http://www.scopus.com/inward/record.url?eid=2-s2.0-79551599553&partnerID=40&md5=9529f7b437953253909c1eb26a181550 |
Chemical composition, larvicidal evaluation, and adult repellency of endemic Greek Thymus essential oils against the mosquito vector of West Nile virus
Taxonomic name: