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《Journal of Shanghai Jiaotong University (Agricultural Science)》 2002-S1
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Study on the extraction technology of alfalfa polysaccharide

YANG Li-e , HU Xue-hua, CHENG Mei-rong (School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai,201101)  
Conditions of the extraction and purification of alfalfa polysaccharide were optimized by orthogonal experiment. The results show as bellow. The rate gain of crude polysaccharide from alfalfa powder could get 11. 08% extracted in 30 times of boiling water for 2h and precipitated with 80% ethanol. The rate gain of purified polysaccharide from crude one could achieved 70. 8% which solute in same volume mixed solvent of chloroform and n - butanol (4; 1) for 30 min. Moreover, we also discussed the optimal extraction technology of alfalfa polysaccharide based on the economic benefit and industrial production.
【Fund】: 市科委基金项目(013912106)
【CateGory Index】: S542.4;Q539
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