2010•Food Science and Technology InternationalRequires access
Study on ultrasonic wave-assisted acid extraction of polysaccharides from peanut meal
Chengming Wang
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Abstract
Ultrasonic wave was applied for extraction of polysaccharides from peanut meal with acid.Effects of ultrasonic temperature,ultrasonic power,ultrasonic time,acid centration and material-liquidratio on extraction yield of polysaccharides were investigated,and the extraction process conditions were optimized by orthogonal design.Results showed that the optimum technological conditions are ultrasonic temperature 75 ℃,power 60 W,time 30 min,acide concentration 0.2 mol/L and material-liquidratio 1:15.Under these conditions,the yield of polysaccharides is 5.6%.