Extraction and in Vitro Antioxidant Analysis of Allicin from Scallion Leaves
This article used scallion leaves from Zhangqiu area as raw materials,ethanol as solvent,and used ultrasonic-microwave combined method to extract allicin.The extraction process of scallion extract was optimized by orthogonal design,and its antioxidant properties were determined.The results showed that the optimal extraction process for allicin was ultrasound power of 100 W,microwave power of 200 W,cellulase addition of 0.5%,and enzymatic hydrolysis time of 2 h.Under these conditions,the extraction rate of allicin was 0.046 4 mg/g.As the concentration of allicin increases,its clearance rates for ABTS and DPPH increased,and its reducing power for iron ions also increased.
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