Assessment of Volatile Chemical Composition of the Essential Oil of Jatropha ribifolia Pohl Baill by HS-SPME-GC-MS Using Different FibersReportar como inadecuado




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Journal of Analytical Methods in ChemistryVolume 2013 2013, Article ID 352606, 8 pages

Research Article

Centro de Pesquisas e Tecnologia em Recursos Naturais CPTREN, Pós-Gradução em Recursos Naturais PGRN, Departamento de Química, Universidade Estadual de Mato Grosso do Sul UEMS, Rua Emílio Mascolli, 275, 79950-000 Naviraí, MS, Brazil

Complexos e Centrais de Apoio a Pesquisa COMCAP, Departamento de Química, Universidade Estadual de Maringá UEM, Avenida Colombo, 5790, Jd Universitário, 87020-900 Maringá, PR, Brazil

Received 9 May 2013; Revised 6 August 2013; Accepted 7 August 2013

Academic Editor: Mohamed Abdel-Rehim

Copyright © 2013 Celia Eliane de Lara da Silva et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The chemical composition of essential oil and volatile obtained from the roots of Jatropha ribifolia Pohl Baill was performed in this work. The Clevenger extractor was utilized in hydrodistillation of oil and chemical composition determined by gas chromatography coupled with mass spectrometry detector GC-MS. The identification of compounds was confirmed by retention index Kovats index obtained from a series of straight chain alkanes – and by comparison with NIST and ADAMS library. A total of 61 compounds were identified in essential oil by GC-MS. The extraction of volatile was performed also by the use of the solid phase microextraction SPME with four different fibers. The essential oil extraction was extremely rapid 15 s to avoid saturation of the fiber and the MS detector. The majority of the composition of essential oil is the terpenes: -pinene major compound 9.16%, -vatirene 8.34%, -gurjunene 6.98%, -pinene 6.35%, camphene 4.34%, tricyclene 3.79% and dehydro aromadendrene 3.52% it and aldehydes and alcohols. Through the SPME it was possible to determine the nine volatile compounds not identified in oil 2,3,4-trimethyl-2-cyclopenten-1-one, -phellandrene, 3-carene, trans- -mentha-2,8-dienol, pinocamphone, D-verbenon, 1,3,3-trimethyl-2-2-methyl-cyclopropyl-cyclohexene, 2,4-diisocyanato-1-methylbenzene, and 6-hydroxymethyl-2,3-dimethylehenyl methanol.





Autor: Celia Eliane de Lara da Silva, Willian Ferreira da Costa, Sandro Minguzzi, Rogério Cesar de Lara da Silva, and Euclésio Simi

Fuente: https://www.hindawi.com/



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