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1、103?jVol.10,No.32003M9Journal of Tianjin Agricultural College September, 2003cI|:1008-5394(2003)03-0030-04m(4| 刘金福,张平平,赵鑫(?jJS,?300384)K1:m(4|。|1、4、4HWY?i4Iy,Lm(4|HqL。LTV:1120,4100 ,4HW1 h,Y?i85%KD4|Hq;m(Y4|q7m(3.02%,c28.6%。1oM:m(;4|ms|:S642.5;TS218;TS255.5DSM:AStudy on Extraction Techniques of Poly
2、saccharide fromMomordica charantialLIUJin-fu, ZHANGPing-ping, ZHAO Xin(Department of Food Science ,Tianjin AgriculturalCollege, Tianjin 300384, China)Abstract:The extraction techniques of polysaccharide from Momordicacharantial was studied.The ratio of raw material towater, extraction temperature, t
3、ime and ethanol concentration for precipitation were selected as four factors to design the or-thogonal test and theoptimum condition of extraction techniques was obtained.Theresults show the optimum condition for theextraction technique is as following:ratio of raw material to water is 120, extract
4、ing temperatureis 100 , timeis 1 h, con-centration of ethanol forprecipitation is 85%.Theextraction ratioof rudepolysaccharidefrom fresh Momordicacharantial is 3.02%and the polysaccharide content is 28.6% in the raw products.Key words:Momordicacharantial ;water-soluble polysaccharide;extractionm(RSm
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