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《Science and Technology of Food Industry》 2010-09
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Ultrasonic-assisted extraction technology of flavones from bamboo leaf

CHEN Hai-guang1,HUANG Min2,YU Li-mei1(1. Zhongkai University of Agricultural and Engineering,Guangzhou 510225,China;2. Guangdong Vocational College of Science and Trade,Guangzhou 510430,China)  
The optimum condition of extracting total flavones from bamboo leaf by ultrasound wave was studied in this paper.Based on single factor test,the orthogonal experiments were conducted with 4 factors of ethanol solutions,the ratio of raw materials to solvent,ultrasonic power and extraction time.Under the conditions of 65% ethanol solutions,the ratio of ethanol to material 20:1(W/V),ultrasonic power 500W,extraction time 10min,treating with ultrasonic for twice repeatedly at the temperature of 50℃,the extraction efficiency of the total flavones was the best.
【CateGory Index】: TQ461
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