Volume 7, Issue 2, April 2019, Page: 36-38
Chemical Composition and Physico-Chemical Analysis of Eucalyptus Globulus Leave and Oil
Abayneh Kassahun, Department of Chemistry, College of Natural and Computational Sciences, Debre berhan University, Debre berhan, Ethiopia
Gezu Feleke, Department of Chemistry, College of Natural and Computational Sciences, Debre berhan University, Debre berhan, Ethiopia
Received: Apr. 6, 2019;       Accepted: May 17, 2019;       Published: Jun. 19, 2019
DOI: 10.11648/j.sjc.20190702.11      View  204      Downloads  96
Abstract
Eucalyptus globulus grows well in different parts of the world. More than 300 species of this genus have been shown to contain volatile oil. Essential oil contains many hundred chemical elements and this advanced mixture of compounds offers the oil its characteristic fragrance and flavor. The investigation has been carried out to know the chemical composition, Physico-Chemical properties of essential oils and Eucalyptus globulus leave grown at Ankober woreda, Ethiopia. To extract the essential oil, the fresh leaves of Eucalyptus globulus were subjected to hydro distillation for 3 hours using a Clevenger-type apparatus and the percent yield was 2.1%. Physico-chemical properties such as refractive index (1.451), relative density (0.925), optical rotation (+8o), Solubility, color and odour were determined. Physico-chemical analysis of Eucalyptus globulus leaves such as total ash, water soluble ash; acid insoluble ash, moisture content and pH were found to be (6.09), (2.18), (2.22), (35.32) and (5.43) respectively. The composition of essential oils of Eucalyptus globulus were analyzed using Gas Chromatography-Mass Spectroscopy (GC-MS). A total of twenty volatile components were identified in this work. The main components of the essential oils are Alpha-Pinene (25.55%), D-Limonene (5.687%) and Eucalyptol (55.43%).
Keywords
Eucalyptol, Eucalyptus Globulus, Essential Oil, GC-MS, Physico-Chemical
To cite this article
Abayneh Kassahun, Gezu Feleke, Chemical Composition and Physico-Chemical Analysis of Eucalyptus Globulus Leave and Oil, Science Journal of Chemistry. Vol. 7, No. 2, 2019, pp. 36-38. doi: 10.11648/j.sjc.20190702.11
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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