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https://open.uns.ac.rs/handle/123456789/13896
Title: | Extraction of fennel (Foeniculum vulgare Mill.) seeds with supercritical CO<inf>2</inf>: Comparison with hydrodistillation | Authors: | Damjanović B. Lepojević Z. Živković V. Tolić A. |
Issue Date: | 1-Jan-2005 | Journal: | Food Chemistry | Abstract: | Ground fennel (Foeniculum vulgare Mill.) seeds, growing wild in Montenegro, were extracted with supercritical CO2 (SC-CO2) at a flow rate of 0.2 kg CO2/h under varying extraction conditions in order to determine yield, composition and organoleptic characteristics of extract. The extracts obtained were compared to fennel seed oil isolated by hydrodistillation. In the SC-CO2, extracts as well in the hydrodistilled oil, the major compounds were trans-anethole (68.6-75.0%) and (62.0%), methylchavicol (5.09-9.10%) and (4.90%), fenchone (8.40-14.7%) and (20.3%), respectively. With pressure varying from 80 to 150 bar and temperature varying from 40 to 57°C, it was found that, for the selected herb material, the optimal conditions of SC-CO2 extraction (high percentage of trans-anethole, with significant content of fenchone and reduced content of methylchavicol and co-extracted cuticular waxes) are: pressure, 100 bar; temperature, 40°C; extraction time, 120 min. Organoleptic tests confirmed that hydrodistilled oil possessed a less intense fennel seed aroma than extracts obtained by SC-CO2. © 2004 Elsevier Ltd. All rights reserved. | URI: | https://open.uns.ac.rs/handle/123456789/13896 | ISSN: | 03088146 | DOI: | 10.1016/j.foodchem.2004.07.019 |
Appears in Collections: | TF Publikacije/Publications |
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