芦荟多糖提取工艺的优化

Food Research and Development(2009)

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Abstract
芦荟汁经预处理和浓缩后,采用正交试验法,以所得芦荟多糖质量为考察指标,对影响多糖得率的因素进行研究;另外采用单因素分析法,借助热重分析,研究pH值对多糖纯度的影响。进而实现芦荟多糖提取工艺的优化。试验设计的三因素中乙醇浓度有显著影响,pH值对多糖纯度也有较大影响。芦荟多糖的最佳提取工艺为:调节芦荟凝胶浓缩汁的pH值为4.40左右,加入乙醇使其浓度达到80%,操作温度为-3℃,醇沉时间5h。
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Key words
analysis of hot weight,single factor analysis,Aloe polysaccharides,orthogonal experiment
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