Quercetin has many biological activities,such as relieving cough,relieving asthma and anti-tumor,it is a research hotspot at home and abroad.Based on this,the research on five extraction,separation and purification processes of quercetin in different medicinal plants,including reflux extraction,ultrasonic extraction,microwave-assisted extraction,ion precipitation and molecularly imprinted polymer,are reviewed,aiming to provide reference for the research of quercetin extraction technology in the direction of high efficiency and green.
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