An improved microwave Clevenger apparatus for distillation of essential oils from orange peel
Identifieur interne : 000170 ( France/Analysis ); précédent : 000169; suivant : 000171An improved microwave Clevenger apparatus for distillation of essential oils from orange peel
Auteurs : Mohamed A. Ferhat [Algérie] ; Brahim Y. Meklati [Algérie] ; Jacqueline Smadja [France] ; Farid Chemat [France]Source :
- Journal of chromatography [ 0021-9673 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Huile essentielle, Fruit.
English descriptors
- KwdEn :
- Chemical Fractionation (instrumentation), Chemical analysis, Chemical composition, Citrus sinensis, Citrus sinensis (chemistry), Costs and Cost Analysis, Essential oil, Fruit, Fruit (chemistry), Gas Chromatography-Mass Spectrometry, Microwave heating, Microwaves, Oils, Volatile (isolation & purification), Operating conditions, Orange, Peel, Steam distillation.
- MESH :
- chemical , isolation & purification : Oils, Volatile.
- chemistry : Citrus sinensis, Fruit.
- instrumentation : Chemical Fractionation.
- Costs and Cost Analysis, Gas Chromatography-Mass Spectrometry, Microwaves.
Abstract
Microwave Clevenger or microwave accelerated distillation (MAD) is a combination of microwave heating and distillation, performed at atmospheric pressure without added any solvent or water. Isolation and concentration of volatile compounds are performed by a single stage. MAD extraction of orange essential oil was studied using fresh orange peel from Valencia late cultivar oranges as the raw material. MAD has been compared with a conventional technique, which used a Clevenger apparatus with hydro-distillation (HD). MAD and HD were compared in term of extraction time, yields, chemical composition and quality of the essential oil, efficiency and costs of the process. Extraction of essential oils from orange peels with MAD was better in terms of energy saving, extraction time (30 min versus 3 h), oxygenated fraction (11.7% versus 7.9%), product yield (0.42% versus 0.39%) and product quality. Orange peels treated by MAD and HD were observed by scanning electronic microscopy (SEM). Micrographs provide evidence of more rapid opening of essential oil glands treated by MAD, in contrast to conventional hydro-distillation.
Affiliations:
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Pascal:06-0385043Le document en format XML
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<series><title level="j" type="main">Journal of chromatography</title>
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<term>Chemical analysis</term>
<term>Chemical composition</term>
<term>Citrus sinensis</term>
<term>Citrus sinensis (chemistry)</term>
<term>Costs and Cost Analysis</term>
<term>Essential oil</term>
<term>Fruit</term>
<term>Fruit (chemistry)</term>
<term>Gas Chromatography-Mass Spectrometry</term>
<term>Microwave heating</term>
<term>Microwaves</term>
<term>Oils, Volatile (isolation & purification)</term>
<term>Operating conditions</term>
<term>Orange</term>
<term>Peel</term>
<term>Steam distillation</term>
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<keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Oils, Volatile</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term>
<term>Fruit</term>
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<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Chemical Fractionation</term>
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<term>Gas Chromatography-Mass Spectrometry</term>
<term>Microwaves</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Entraînement à la vapeur</term>
<term>Chauffage hyperfréquence</term>
<term>Analyse chimique</term>
<term>Huile essentielle</term>
<term>Orange</term>
<term>Pelure</term>
<term>Citrus sinensis</term>
<term>Composition chimique</term>
<term>Condition opératoire</term>
<term>Fruit</term>
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<front><div type="abstract" xml:lang="en">Microwave Clevenger or microwave accelerated distillation (MAD) is a combination of microwave heating and distillation, performed at atmospheric pressure without added any solvent or water. Isolation and concentration of volatile compounds are performed by a single stage. MAD extraction of orange essential oil was studied using fresh orange peel from Valencia late cultivar oranges as the raw material. MAD has been compared with a conventional technique, which used a Clevenger apparatus with hydro-distillation (HD). MAD and HD were compared in term of extraction time, yields, chemical composition and quality of the essential oil, efficiency and costs of the process. Extraction of essential oils from orange peels with MAD was better in terms of energy saving, extraction time (30 min versus 3 h), oxygenated fraction (11.7% versus 7.9%), product yield (0.42% versus 0.39%) and product quality. Orange peels treated by MAD and HD were observed by scanning electronic microscopy (SEM). Micrographs provide evidence of more rapid opening of essential oil glands treated by MAD, in contrast to conventional hydro-distillation.</div>
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<country name="France"><noRegion><name sortKey="Smadja, Jacqueline" sort="Smadja, Jacqueline" uniqKey="Smadja J" first="Jacqueline" last="Smadja">Jacqueline Smadja</name>
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