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Optimization of Extraction Technique of Polysaccharides from Duanaliella salina
Author(s): 
Pages: 123-127
Year: Issue:  3
Journal: FOOD AND FERMENTATION INDUSTRIES

Keyword:  杜氏盐藻多糖提取响应面分析;
Abstract: 针对杜氏盐藻多糖的提取,通过单因素试验选取实验因素与水平,根据Box-Benhnken的中心组合实验设计原理,在单因素试验的基础上采用三因素三水平的响应面分析法,以多糖提取率为响应值作响应面,并进行回归分析.结果表明,杜氏盐藻多糖提取的理想工艺条件为:提取温度81℃,提取液pH8.80,提取时间210min;液料比为25∶1(v/w)时,杜氏盐藻多糖的提取率达到8.77%.红外光谱等分析结果显示,在该工艺条件下提取的杜氏盐藻多糖产品中含有酸性多糖,并含有一定量的硫酸酯多糖,糖苷键主要是α型.
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