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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
A surprising method for green extraction of essential oil from dry spices: Microwave dry-diffusion and gravity
Journal of Chromatography A, Volume 1217, No. 47, Year 2010
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Description
Without adding any solvent or water, we proposed a novel and green approach for the extraction of secondary metabolites from dried plant materials. This "solvent, water and vapor free" approach based on a simple principle involves the application of microwave irradiation and earth gravity to extract the essential oil from dried caraway seeds. Microwave dry-diffusion and gravity (MDG) has been compared with a conventional technique, hydrodistillation (HD), for the extraction of essential oil from dried caraway seeds. Essential oils isolated by MDG were quantitatively (yield) and qualitatively (aromatic profile) similar to those obtained by HD, but MDG was better than HD in terms of rapidity (45. min versus 300. min), energy saving, and cleanliness. The present apparatus permits fast and efficient extraction, reduces waste, avoids water and solvent consumption, and allows substantial energy savings. © 2010 Elsevier B.V.
Authors & Co-Authors
Farhat, Asma
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
France, Avignon
Université D'avignon et Des Pays du Vaucluse
Fabiano-Tixier, Anne Sylvie
France, Avignon
Université D'avignon et Des Pays du Vaucluse
Visinoni, Franco
Italy, Bergamo
Milestone Srl
Romdhane, Mehrez
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
Chemat, Farid
France, Avignon
Université D'avignon et Des Pays du Vaucluse
Statistics
Citations: 74
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1016/j.chroma.2010.09.062
ISSN:
00219673
Research Areas
Environmental