The encapsulation of low viscosity omega-3 rich fish oil in polycaprolactone by supercritical fluid extraction of emulsions

High-quality fish oil for human consumption requires low levels of toxic elements. The aim of this study was to compare different oil extraction methods to identify the most efficient method for extracting fish oil of high quality with the least contamination. The methods used in this study were Soxhlet extraction, enzymatic extraction, wet reduction, and supercritical fluid extraction. The results showed that toxic elements in fish oil could be reduced using supercritical CO2 at a modest temperature (60°C) and pressure (35 MPa) with little reduction in the oil yield. There were significant reductions in mercury (85 to 100%), cadmium (97 to 100%), and lead (100%) content of the fish oil extracted using the supercritical fluid extraction method. The fish oil extracted using conventional methods contained toxic elements at levels much higher than the accepted limits of 0.1 μg/g.

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Supercritical fluid extraction of the omega-3 rich oil contained in hake (Merluccius capensis–Merluccius paradoxus) by-products: Study of the influence of process parameters on the extraction yield and oil quality

The Journal of Supercritical Fluids ◽

10.1016/j.supflu.2008.07.007 ◽

2008 ◽

Vol 47 (2) ◽

pp. 215-226 ◽

Cited By ~ 90

Author(s):

Nuria Rubio-Rodríguez ◽

Sara M. de Diego ◽

Sagrario Beltrán ◽

Isabel Jaime ◽

Maria Teresa Sanz ◽

...

Keyword(s):

Supercritical Fluid Extraction ◽

Supercritical Fluid ◽

Process Parameters ◽

Oil Quality ◽

Extraction Yield ◽

Omega 3 ◽

Fluid Extraction ◽

Influence Of Process Parameters ◽

By Products

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Supercritical Fluid Extraction of Lycopene and Omega-3

New Technologies, Development and Application III - Lecture Notes in Networks and Systems ◽

10.1007/978-3-030-46817-0_85 ◽

2020 ◽

pp. 750-758

Author(s):

Maria Margotta ◽

Marco Claudio De Simone

Keyword(s):

Supercritical Fluid Extraction ◽

Supercritical Fluid ◽

Omega 3 ◽

Fluid Extraction

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Supercritical fluid extraction of fish oil from common carp (Cyprinus carpio L.) tissues

The Journal of Supercritical Fluids ◽

10.1016/j.supflu.2017.11.027 ◽

2018 ◽

Vol 133 ◽

pp. 528-534 ◽

Cited By ~ 13

Author(s):

Stefan Kuvendziev ◽

Kiril Lisichkov ◽

Zoran Zeković ◽

Mirko Marinkovski ◽

Zehra H. Musliu

Keyword(s):

Fish Oil ◽

Supercritical Fluid Extraction ◽

Supercritical Fluid ◽

Common Carp ◽

Cyprinus Carpio ◽

Fluid Extraction ◽

Common Carp Cyprinus Carpio ◽

Carp Cyprinus Carpio

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Supercritical fluid extraction of fish oil with carbon dioxide.

RESOURCES PROCESSING ◽

10.4144/rpsj1986.36.7 ◽

1989 ◽

Vol 36 (1) ◽

pp. 7-13

Author(s):

Noboru IKAWA ◽

Satoshi FURUTA ◽

Ryuichi FUKUZATO ◽

Nobuyuki IMANISHI ◽

Kunio ARAI

Keyword(s):

Carbon Dioxide ◽

Fish Oil ◽

Supercritical Fluid Extraction ◽

Supercritical Fluid ◽

Fluid Extraction

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Supercritical Fluid Extraction of Lipids and Enrichment of DHA from Freshwater Fish Processing Wastes in Thailand

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1044-1045.444 ◽

2014 ◽

Vol 1044-1045 ◽

pp. 444-447 ◽

Cited By ~ 1

Author(s):

Thitiphan Chimsook

Keyword(s):

Fatty Acids ◽

Polyunsaturated Fatty Acids ◽

Freshwater Fish ◽

Supercritical Fluid Extraction ◽

Supercritical Fluid ◽

Omega 3 ◽

Fish Processing ◽

Fluid Extraction ◽

Processing Wastes ◽

By Products

Nowadays, an awareness of health benefits of omega-3 has been found. Polyunsaturated fatty acids, especially DHA, are more attention due to their role in human health. Hence, this study investigated the potential of by-products as freshwater fish source of omega-3 polyunsaturated fatty acids (omega-3 PUFAs). The by-products of processing accounted for approximately 55% of the catfish industry. Supercritical fluid extraction (SFE) of the by-products at 35 MPa, 40 ◦C, ethanol (95%, v/v) as the co-solvent, and the mass ratio of by-products to co-solvent as 1:1 generated a lipid yield at 30.9% and 21.5 % docosahexaenoic acid (DHA). Additionally, urea complexation was an effective tool to enrich and purify DHA from lipids. DHA purity increased from 21.5% to 38.4% under the optimum complexation condition.

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