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Study on decolorizing technology of monascus polysaccharide by hydrogen peroxide
Author(s): 
Pages: 203-208
Year: Issue:  2
Journal: Journal of Zhejiang Normal University(Natural Sciences)

Keyword:  红曲霉红曲多糖响应面分析法脱色工艺脱色率;
Abstract: 为了优化红曲多糖的过氧化氢法脱色工艺,在单因素实验的基础上,选择过氧化氢加入量、脱色时间和脱色温度为自变量、多糖脱色率为响应值,应用Design Expert软件,采用响应曲面法,研究了各自变量及其交互作用对多糖脱色率的影响.利用响应面分析方法拟合得到了二次多项式回归方程的预测模型,并确定了红曲多糖过氧化氢法脱色的最佳条件:4 mL多糖(8mg/mL)溶液中3%过氧化氢溶液的加入量为3.9 mL,脱色时间为127 min,脱色温度为65.6℃.该条件下红曲多糖脱色率为86.24%.
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