2012•Hubei nongye kexueRequires access

Study on Ultrasonic-Assisted Extraction Technology of Polysaccharides from Chestnut Fruits

Mei Zhang

Abstract

The effects of ultrasonic time,ultrasonic power and water extraction time on polysaccharides extraction from chestnut(Castanea mollissima) fruits were studied by single-factor experiments.L9(34) orthogonal design was used to optimize the extraction conditions.The results showed that the optimal extraction conditions of polysaccharide from chestnut fruits were,ultrasonic time,35 min;ultrasonic power,100 W;water extraction time,60 min.The yield of polysaccharide was 13.94% under these conditions.Water extraction time had the most obvious influence on the yield of polysaccharides.

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Key concepts: Polysaccharide, Extraction (chemistry), Ultrasonic sensor, Yield (engineering), Water extraction, Chromatography, Pulp and paper industry, Botany