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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Comparative study of essential oils extracted from Algerian myrtus communis L. leaves using microwaves and hydrodistillation
International Journal of Molecular Sciences, Volume 13, No. 4, Year 2012
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Description
Two different extraction methods were used for a comparative study of Algerian Myrtle leaf essential oils: solvent-free-microwave-extraction (SFME) and conventional hydro distillation (HD). Essential oils analyzed by GC and GC-MS presented 51 components constituting 97.71 and 97.39% of the total oils, respectively. Solvent-Free-Microwave-Extract Essential oils SFME-EO were richer in oxygenated compounds. Their major compounds were 1,8-cineole, followed by α-pinene as against α-pinene, followed by 1,8-cineole for HD. Their antimicrobial activity was investigated on 12 microorganisms. The antioxidant activities were studied with the 2,2-diphenyl-1-picrylhydrazyl (DPPH•) radical scavenging method. Generally, both essential oils showed high antimicrobial and weak antioxidant activities. Microstructure analyses were also undertaken on the solid residue of myrtle leaves by Scanning Electronic Microscopy (SEM); it showed that the SFME-cellular structure undergoes significant modifications compared to the conventional HD residual solid. Comparison between hydro distillation and SFME presented numerous distinctions. Several advantages with SFME were observed: faster kinetics and higher efficiency with similar yields: 0.32% dry basis, in 30 min as against 180 min for HD. © 2012 by the authors.
Authors & Co-Authors
Berka-Zougali, Baya
France, La Rochelle
La Rochelle Université
Algeria, Algiers
Ministere de L'enseignement Superieure et de la Recerche Scientifique
Ferhat, Mohamed Amine
Algeria, Algiers
Ministere de L'enseignement Superieure et de la Recerche Scientifique
Hassani, Aïcha
Algeria, Algiers
Ministere de L'enseignement Superieure et de la Recerche Scientifique
Chemat, Farid
France, Avignon
Université D'avignon et Des Pays du Vaucluse
Allaf, Karim S.
France, La Rochelle
La Rochelle Université
France, La Rochelle
Abcar-dic Process
Statistics
Citations: 102
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.3390/ijms13044673
e-ISSN:
14220067