Study on Ultrasonic Assisted Extraction of Allicin
In order to explore the optimization of the technological conditions of ultrasonic-assisted extraction of allicin and provide a basis for the deep processing of garlic,the content of allicin is taken as the detection index,and on the basis of traditional ethanol solvent extraction,ultrasonic assisted extraction technology is adopted to explore the influence of three factors:ethanol volume fraction,ultrasonic time and ultrasonic power on the content of allicin.On this basis,the orthogonal test of three factors and three levels is carried out,and the best ultrasonic-assisted extraction process is obtained by means of range analysis and variance analysis.The results show that the effects of the three factors on the content of allicin are significantly different,the order of influence of three factors on the content of allicin is ultrasonic power＞ultrasonic time＞ethanol volume fraction,and the optimal extraction parameters are obtained,that is,ultrasonic auxiliary power of 1 000 W,ultrasonic extraction time of 35 min and ethanol volume fraction of 75%.
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