Article (Scientific journals)
Effect of the Extraction Technique, Heating Time and Cryogenic Grinding (N2 at -196°C) on the Composition of Cumin Seeds Volatile Oil
Mékaoui, R; Benkaci-Ali, Farid; Scholl, Georges et al.
2016In Journal of Essential Oil-Bearing Plants, 19 (8), p. 1903-1919
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Keywords :
Steam distillation; Microwave extraction; Cuminum cyminum; GC-MS; GCxGC-MS; Kinetic
Abstract :
[en] Two techniques of extraction of essential oils (Steam distillation assisted by microwave (SDAM) and hydrodistillation assisted by microwave (HDAM)) are respectively advanced steam distillation (SD) and hydrodistillation techniques (HD), in which a microwave oven is used in the extraction process. They are considered as accelerated techniques extraction performed at atmospheric pressure. The cryogrinding (CG) showed a difference on the yields and aromatic profile comparing to the sample grinding. Isolation and concentration of volatile compounds are performed by a single stage for the extraction of volatile oil from Algerian (Sahara) Cuminum cyminum seeds (CCS). The chemical composition of the essential oil of this plant as a function of extraction time was also studied. The major components and family classes showed a significant variation with the extraction time. Gas chromatography (GC), GCxGC-mass spectrometry (GCxGC-MS)] were utilised for qualitative and quantitative analysis of essential oils extracted by these two methods. The major compounds are cumin aldehyde (HDAM-CG: 20.50-53.35 %, SDAM-CG: 21.68 66.6 %), p-cymene (HDAM-CG: 14.1-37.54 %, SDAM-CG: 6.06-20.18 %), β-pinene (HDAM-CG: 4.53-14.74 %, SDAM-CG: 4.3-32.65 %) and γ-terpinene (HDAM-CG: 1.26-14.70 %, SDAM-CG: 5.13-18.23 %).
Disciplines :
Chemistry
Author, co-author :
Mékaoui, R;  Université des Sciences et Technologies Houari Boumediene > Faculté de Chimie > Laboratoire d'Analyse Organique Fonctionnelle
Benkaci-Ali, Farid;  Université des Sciences et Technologies Houari Boumediene > Faculté de Chimie > Laboratoire d'Analyse Organique Fonctionnelle
Scholl, Georges ;  Université de Liège > Département de chimie (sciences) > Center for Analytical Research and Technology (CART)
Eppe, Gauthier  ;  Université de Liège > Département de chimie (sciences) > Chimie analytique inorganique
Language :
English
Title :
Effect of the Extraction Technique, Heating Time and Cryogenic Grinding (N2 at -196°C) on the Composition of Cumin Seeds Volatile Oil
Publication date :
23 December 2016
Journal title :
Journal of Essential Oil-Bearing Plants
ISSN :
0972-060X
eISSN :
0976-5026
Publisher :
H.K.L. Bhalla, Dehra Dun, India
Volume :
19
Issue :
8
Pages :
1903-1919
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 02 January 2017

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