The highest yields (4.0 ± 0.22%.) were obtained at 50% (mL/mL) ethanol concentration,
liquid/solid ratio of 20:1 (ml/g), and 500 MPa pressure applied for 1 min. Experiments using conventional
extraction methods (extraction at room temperature, ultrasonic extraction and heat reflux extraction)
were also conducted, which showed that extraction using high pressure processing possessed several
advantages, such as higher yields, shorter extraction times and lower energy consumption.
The highest yields (4.0 ± 0.22%.) were obtained at 50% (mL/mL) ethanol concentration,liquid/solid ratio of 20:1 (ml/g), and 500 MPa pressure applied for 1 min. Experiments using conventionalextraction methods (extraction at room temperature, ultrasonic extraction and heat reflux extraction)were also conducted, which showed that extraction using high pressure processing possessed severaladvantages, such as higher yields, shorter extraction times and lower energy consumption.
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