Title: Comparative Study on Two Extraction Methods for Lycium Barbarum Polysaccharide
Abstract: The comparative study on hot water extraction method and microwave extraction method for Lycium barbarum polysaccharide was conducted through orthogonal experiment.Under the optimum conditions of hot water extraction as follows:extraction temperature 70 ℃,extraction time 4 h,solid-liquid ratio 1∶20(g∶mL),and extracting for three times,the extraction rate of polysaccharide was 4.51%.Under the optimum conditions of microwave extraction as follows:microwave power 560 W,microwave irradiation time 90 s,solid-liquid ratio 1∶10(g∶mL),extracting for three times,the extraction rate of polysaccharide was 5.91%.Microwave extraction method was superior to hot water extraction method for it cost less time,energy and extraction solvent with higher extraction rate.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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