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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. 2, 2014, pp. 275-280
Bioline Code: pr14040
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 13, No. 2, 2014, pp. 275-280

 en Gas Chromatography-Mass Spectrometric Analysis of Essential Oil of Aerial Parts of Glycosmis parviflora check for this species in other resources (Sims) Little (Rutaceae)
Liu, Zhi Long; Yang, Kai; Bai, Peng Hua; Zhou, Ligang; Liu, Shao Liang & Liu, Qi Zhi


Purpose: To investigate the chemical composition and toxicity of the essential oil of Glycosmis parviflora check for this species in other resources (Sims) Little aerial parts against root-knot nematode and two grain storage insects (maize weevil and red flour beetle).
Methods: Steam distillation of G. parviflora was carried out using Clavenger apparatus in order to extract its volatile oil. Gas chromatography/mass spectrometric (GC/MS) analysis (HP-5MS column) of the essential oil was performed and the toxicity of the oil determined by contact test.
Results: A total of 37 components comprising 98.7 % of the essential oil were identified, of which (Z)- caryophyllene (20.6 %), methyl isoeugenol (11.1 %), (Z)-β-ocimene (8.9 %), α-cubebene (6.4 %), nerolidol (5.4 %), aromandendrene (4.9 %) and γ-pyronene (4.7 %) were found to be the major components. The essential oil possessed strong nematicidal activity against M. incognita with an LC50 value of 92.84 μg/ml. The essential oil of G. parviflora exhibited strong contact toxicity against S. zeamais and T. castaneum adults with LD50 values of 41.7 and 22.6 μg/adult, respectively.
Conclusion: The study indicates that the essential oil of G. parviflora aerial parts has a potential for development into a natural insecticide/nematicide for control of nematodes and grain storage insects.

Glycosmis parviflora; Essential oil; Meloidogyne incognita; Sitophilus zeamais; Tribolium castaneum; Contact toxicity

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