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An original solvent free microwave extraction of essential oils from spices

✍ Scribed by Marie Elisabeth Lucchesi; Farid Chemat; Jacqueline Smadja

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
103 KB
Volume
19
Category
Article
ISSN
0882-5734

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✦ Synopsis

Abstract

Attention is drawn to the development of a new and green alternative technique for the extraction of essential oils from spices. Solvent‐free microwave extraction (SFME) is a combination of dry distillation and microwave heating without added any solvent or water. SFME and hydrodistillation (HD) were compared for the extraction of essential oil from three spices: ajowan (Carum ajowan, Apiaceae), cumin (Cuminum cyminum, Umbelliferae), star anise (Illicium anisatum, Illiciaceae). Better results have been obtained with the proposed method in terms of rapidity (1 h vs. 8 h), efficiency and no solvent used. Furthermore, the SFME procedure yielded essential oils that could be analysed directly without any preliminary clean‐up or solvent exchange steps. Copyright Β© 2004 John Wiley & Sons, Ltd.

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