Different techniques for the extraction of oil from flaxseed.
|Techniques||Source for extraction||Strategy||Output/Yield||References|
|Supercritical CO2 extraction||Ground flaxseed||CO2 at a flow rate of 40 g/min, temp-50 °C, pressure-30 MPa, extraction time-3 hours||35.3 g||Pradhan et al., 2010|
|Ultrasound-assisted extraction||Flaxseed powder||The ultrasonic output power set to a desired level ranging from 0 to 100% and temperature of ±1 °C||84.9%||Zhang et al., 2008|
|Ultrasound-assisted extraction by immobilized enzyme||Ground flaxseed||Incubation of flaxseed with different enzyme (cellulase, pectinase, betaglucosidase, and hemicellulase) and subsequent ultrasonic extraction (45 °C, 250 W power for 30 min)||68.1%||Long et al., 2011|
|Super critical fluid extraction||Ground flaxseed||Extraction temperature, pressure, time and CO2 flow rate were set at 50 °C, 40,000 kPa, 2 hours and 70 g/min||36.49 g/100 g||Khattab and Zeitoun, 2013|
|Accelerated solvent extraction||Ground flaxseed||Solvent used −hexane, temp-200 °C and pressure-10,342 kPa||41.90 g/100 g||Khattab and Zeitoun, 2013|
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