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[Objective]To optimize the extraction technique for allicin. [Methods]By employing an orthogonal design,the factors affecting CO2supercritical fluid extraction of allicin,including extraction pressure,extraction temperature,CO2influx,were optimized to determine the technical parameters for CO2supercritical fluid extraction of allicin. [Results]The technical parameters for extracting allicin from garlic juice were determined as 15 MPa of extraction pressure,30 ℃ of extraction temperature,30 m3/ h of CO2influx. Under these parameters,the extraction yield reached 0. 35%,of which allicin content accounts for 46%. [Conclusions]This method is simple,credible and efficient,and it is suitable for industrial production.
[Objective] To optimize the extraction technique for allicin. [Methods] By employing an orthogonal design, the factors affecting CO2 supercritical fluid extraction of allicin, including extraction pressure, extraction temperature, CO2influx, were optimized to determine the technical parameters for CO2 supercritical fluid extraction of allicin. [Results] The technical parameters for extracting allicin from garlic juice were determined as 15 MPa of extraction pressure, 30 ° C of extraction temperature, 30 m3 / h of CO2influx. Under these parameters, the extraction yield reached 0.35%, of which allicin content accounts for 46%. [Conclusions] This method is simple, credible and efficient, and it is suitable for industrial production.