Study on Microwave-assisted Extraction Technology of the Flavonoids from Peanut Hull

The microwave-assisted extraction technologig of the flavonoids from peanut hull was studied,investigating the influences of ethanol concentration,ratio of liquor,microwave time,microwave power and microwave temperature on the flavonoids' extraction rate.The technological conditions were optimized through orthogonal test.The results showed that the optimum conditions were as follows: ethanol concentration 80%,ratio of material to liquor 1:18,microwave time 6 min,microwave temperature 70℃,microwave power 500W.The extraction rate reached to 10.660mg/g in the optimum conditions.