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Studies on the Extraction and Purification Crafts of Polysaccharide from Jujubal

LUO Kai et al (Department of Biology,Chongqing Three Gorges University,Chongqing 404000)  
The orthogonal test design was adopted to study the optimal technics of Extracting Polysaccharide from Jujubal.The results showed that the best extraction effect is when the water volume was 40 times,the pH of solution was 8,the soaking and extracting temperature was 100℃,and the soaking and extracting time was 60 minutes.According to the influence of external factors to the extraction effect,the order is like this: the volume of waterPH of solutionthe soaking and extracting temperature the soaking and extracting time.
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