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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 13, No. 3, 2014, pp. 399-404
Bioline Code: pr14058
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 13, No. 3, 2014, pp. 399-404

 en Chemical Composition of Zanthoxylum avicennae check for this species in other resources Essential Oil and its Larvicidal Activity on Aedes albopictus check for this species in other resources Skuse
Liu, Xin Chao; Liu, Qi Yong; Zhou, Ligang; Liu, Quan Ru & Liu, Zhi Long

Abstract

Purpose: To determine the larvicidal activity of the essential oil derived from Zanthoxylum avicennae check for this species in other resources (Lam.) DC. (Rutaceae) leaves and stems against the larvae of Aedes albopictus check for this species in other resources Skuse.
Methods: Essential oil of Z. avicennae leaves and stems were obtained by hydrodistillation and analyzed by gas chromatography (GC) and gas chromaotography-mas spectrometry (GC-MS). The activity of the essential oil was evaluated, using World Health Organization (WHO) procedures, against the fourth larvae of A. albopictus for 24 h and larval mortality recorded at various essential oil concentrations ranging from 12.5 - 200 μg/mL.
Results: A total of 31 components of the essential oil of Z. avicennae were identified. The essential oil had higher content of monoterpenoids (65.70 %) than sesquiterpenoids (33.45 %). The principal compounds of the essential oil were 1,8-cineol (53.05 %), β-elemene (6.13 %), α-caryophyllene (5.96 %), β-caryophyllene (5.09 %) and caryophyllene oxide (4.59 %). The essential oil exhibited larvicidal activity against A. albopictus with a median lethal concentration (LC50) value of 48.79 μg/mL.
Conclusion: The findings obtained indicate that the essential oil of Z. avicennae has potentials for use in the control of A. albopictus larvae and could be useful in the search for newer, safer and more effective natural compounds as larvicides.

Keywords
Aedes albopictus; Essential oil; Larvicidal activity; Mosquito; Zanthoxylum avicennae

 
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