Chemical compositions and mosquito repellency of essential oils from Artabotrys hexapetalus and Artabotrys rupestris

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dc.contributor.authorSuleiman, R. A.
dc.contributor.authorMgani, Quintino A.
dc.contributor.authorNyandoro, Stephen S.
dc.date.accessioned2016-06-26T17:08:58Z
dc.date.available2016-06-26T17:08:58Z
dc.date.issued2015-05
dc.description.abstractThe two Tanzanian Artabotrys species were investigated to establish the chemical composition and mosquito repellent properties of their essential oils. Hydrodistillation of leaves and stem bark of Artabotrys hexapetalus (L.f.) (Annonaceae) and stem bark of Artabotrys rupestris Diels (Annonaceae) gave essential oils which were analyzed by Gas Chromatography – Mass Spectrometry (GC-MS). While the oil from the stem bark of A. hexapetalus contained high amount of β-caryophyllene oxide, the oil from the leaves had both β- caryophyllene oxide and 11-hexadcyn-1-ol as the main components. The oil from the root barks of A. rupestris contained large amount of 6-(p-tolyl)-2-methyl-2-heptanol and (-)-spathulenol. β-Caryophyllene oxide, cadinol, cubenol, (-)-spathulenol and 7-methyl-4-methylene-1-(1-methylethyl)-naphthalene were identified as common constituents of the essential oils from the two plant species investigated. On evaluation for mosquito repellency, the essential oil from the leaves of A. hexapetalus was found to exhibit strong activity with RC50 = 1.81×10-5 mg/cm2 and 2.79×10-5 mg/cm2 for the first and the second fractions, respectively against female Anopheles gambiae s.s. mosquitoes. The repellency activity of essential oil from leaves were significantly higher than from stem bark, but less than that of the standard citronella oil used (RC50 = 4.1×10-6 mg/cm2). The observed high mosquito repellent activity for the essential oil fractions from A. hexapetalus could be attributed to the presence of β-caryophyllene oxide.en_US
dc.identifier.citationSuleiman, R., Mgani, Q., & Nyandoro, S. (2015). Chemical compositions and mosquito repellency of essential oils from <i>Artabotrys hexapetalus</i> and <i>Artabotrys rupestris</i>. International Journal Of Biological And Chemical Sciences, 8(6), 2804. http://dx.doi.org/10.4314/ijbcs.v8i6.37en_US
dc.identifier.doi10.4314/ijbcs.v8i6.37
dc.identifier.issn1991-8631
dc.identifier.issn1997-342X
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2675
dc.language.isoenen_US
dc.publisherAJOLen_US
dc.subjectEssential oilsen_US
dc.subjectMosquito repellent propertiesen_US
dc.subjectAnnonaceaeen_US
dc.subjectβ-caryophyllene oxideen_US
dc.subjectCadinolen_US
dc.subjectCubenolen_US
dc.titleChemical compositions and mosquito repellency of essential oils from Artabotrys hexapetalus and Artabotrys rupestrisen_US
dc.typeJournal Article, Peer Revieweden_US
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