Intensification of Essential Oil Extraction of the Marrubium vulgare Using Pulsed Electric Field

This paper is aimed to investigate the application of Pulsed Electric Field (PEF) as a pretreatment step for the intensification of the essential oil extraction yield of Marrubium vulgar that is a local plant from Mascara, Algeria. PEF has been applied for this purpose to improve the permeabilizatio...

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Published inJournal of essential oil-bearing plants (Dehra Dun) Vol. 21; no. 3; pp. 811 - 824
Main Authors Miloudi, Kaddour, Hamimed, Abderrahmane, Benmimoun, Youcef, Bellebna, Yassine, Taibi, Ahmed, Tilmatine, Amar
Format Journal Article
LanguageEnglish
Published Taylor & Francis 04.05.2018
Subjects
essential oils
hydrodistillation
intensification
Marrubium vulgare
Pulsed electric field
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Summary:This paper is aimed to investigate the application of Pulsed Electric Field (PEF) as a pretreatment step for the intensification of the essential oil extraction yield of Marrubium vulgar that is a local plant from Mascara, Algeria. PEF has been applied for this purpose to improve the permeabilization by electroporation of the biological membranes. The PEF treatment was optimized by using the experiments design methodology, by considering as input factors the voltage level, the pulses number and the distillation process duration. Obtained results have shown that (i) the electrical conductivity of the sample increases due to the enhancement of the mass transfer (ii) the extraction process is significantly improved because the amount of the PEF-treated essential oil has increased up to three times. Moreover, physicochemical analysis of the essential oil carried out before and after treatment has shown that almost all parameters were identified and recovered after treatment.
ISSN:0972-060X
0976-5026
DOI:10.1080/0972060X.2018.1484820