Supercritical Extraction of Seabuckthorn Seed Oil, Manufacturer of Seabuckthorn Fruit Oil
A method for extracting seabuckthorn fruit oil by enzymatic method combined with supercritical CO2 extraction is characterized by the following steps: A. shearing centrifugation: after squeezing Seabuckthorn fresh fruit juice, shearing for 20 to 40 minutes at a speed of 3500 to 4500 rpm; adding 0.5 to 1_pectinase at 45 55 C, stirring and holding for 4 5 hours; centrifuge separating at room temperature at a speed of 6000 to 8000 rpm; Separation time is 6 10 minutes; collection of upper floats in centrifugal tubes; B, drying: vacuum microwave drying of the collected upper floats to water below 20%, temperature 50 60; C, supercritical CO2 extraction: extraction pressure is 20-30 MPa, extraction temperature is 35-70; separation pressure is 0-6 MPa, separation temperature is 60, CO2 flow rate is 10-45 L/h; extraction time is 1-5 h; D. Separation: After the extraction kettle, the separating column is connected, and the supercritical fluid with seabuckthorn fruit oil enters from the bottom of the separating column and leaves from the top into the separating kettle. The pressure of the separating column is 8-15 MPa, the temperature is 35-50 C, and the temperature gradually increases from the bottom to the top. The seabuckthorn fruit oil flows out from the bottom of the separating column.
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