%0 Journal Article
%T First Report on Chemical Composition and Acaricidal Activity on the Cattle Tick Rhipicephalus microplus of Essential Oil from Monanthotaxis parvifolia (Oliv.) Verdc
%J American Journal of Applied Chemistry
%@ 2330-8745
%D 2017
%X The chemical composition of the essential oil obtained by hydrodistillation from leaves of Monanthotaxis parvifolia were analyzed by GC and GC/MS. Thirty compounds representing 99.9 % of oil were identified. This oil is rich in sesquiterpenes with oxygenated sesquiterpenes (87.1%) following by hydrocarbons compounds (10.8%). Caryophyllene oxide (50.5%), 14-hydroxy-9-epi-(E)-caryophyllene (7.6%) and ¦Â-eudesmol (7.3%) were the main components. The acaricidal activity of this oil against Rhipicephalus microplus was assessed by modified Larval Packet Test (LPT) and Adult Immersion Test (AIT) with oil concentrations of 5%, 10% and 20% (v/v). Mortality percentages of larvae were 89.51%, 82.18% and 75.01% respectively at 20%, 10% and 5% dilutions. Monanthotaxis parvifolia leave¡¯s essential oil has considerably reduced egg laying and induced a low reproductive index (0.067%) at 20% dilution.
%K Monanthotaxis parvifolia
%K Acaricidal Activity
%K Essential Oil
%U http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=227&doi=10.11648/j.ajac.20170503.12