Effect of microwaves on the in situ hydrodistillation of four different Lamiaceae - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Comptes Rendus. Chimie Year : 2014

Effect of microwaves on the in situ hydrodistillation of four different Lamiaceae

Abstract

The development of alternative techniques to classic hydrodistillation (HD) has been prompted because of the drawbacks of the more traditional technique. These drawbacks include: partial thermal degradation, high energy consumption and the fact that it is a time-consuming process. In situ microwave-generated hydrodistillation (MGH) and microwave hydrodiffusion and gravity (MHG) are suitable methods which may improve the preparation of essential oils. In this work, we report a comparison study of HD, MGH and MHG used in the extraction of four plant species cultivated in Piedmont (Italy): lavender, oregano, basil and sage. Both microwave-assisted procedures gave excellent results; in particular the essential oils obtained under MHG were very similar to those obtained with HD. In MGH, the polarity and the physico-chemical properties of the extracted compounds caused bigger differences in essential oil composition.
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hal-02641515 , version 1 (28-05-2020)

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Arianna Binello, Laura Orio, Giuseppe Pignata, Silvana Nicola, Farid Chemat, et al.. Effect of microwaves on the in situ hydrodistillation of four different Lamiaceae. Comptes Rendus. Chimie, 2014, 17, pp.181-186. ⟨10.1016/j.crci.2013.11.007⟩. ⟨hal-02641515⟩
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