2011•Xiandai shipin kejiRequires access

Ultrasonic Extraction of Polysaccharides from Enteromorpha

Qin Song

Abstract

Ultrasonic extraction of polysaccharides from Enteromorpha was studied and the extraction conditions were optimized by response surface methodology(RSM),based on a Box-Behnken design.The results showed that the optimum extraction conditions were as follows:ratio of liquid to solid 54.81:1,ultrasonic power 531.17 W,extraction time 272 s.Under the optimized conditions,the yield of polysaccharides was 17.42%,which was closed to the predictive yield.The extraction method showed higher extraction rate but lower extraction time than traditional hot-water extraction,which can be used for the extraction of Enteromorpha polysaccharides.

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Key concepts: Extraction (chemistry), Polysaccharide, Response surface methodology, Yield (engineering), Chromatography, Ultrasonic sensor, Materials science, Chemistry