Open Access

Table 1

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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