2010•Journal of Qingdao University of Science and TechnologyRequires access

Pressurized Liquid Extraction of Polysaccharide from Coix Seeds

Juan Huang

Abstract

Polysaccharide was extracted from the coix seeds by pressurized water extraction.Conditions including extraction temperature,ratio of material to liquid,medium pH,extraction time,and extraction pressure were studied.The results showed that the better extraction process parameters were as follow: the extraction temperature 130 ℃,ratio of material to liquid 1∶40,medium pH 4.5,extraction time 1 h,and extraction pressure 2.0 kg·cm-2,and the highest yield of extraction up to 84.3%.

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Key concepts: Extraction (chemistry), Chromatography, Coix, Yield (engineering), Hot water extraction, Polysaccharide, Chemistry, Materials science