雨生红球藻多糖脱蛋白工艺研究
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摘要
藻类多糖纯化过程中脱蛋白是较为重要的环节之一,为了提高多糖纯化效率,对雨生红球藻多糖脱蛋白的工艺进行了优化研究。在单因素试验基础上,采用正交实验确定了雨生红球藻多糖Sevag法脱除蛋白的最佳工艺条件。结果表明,采用Sevag法脱除蛋白的最佳工艺条件为:每次振摇20min,氟仿与正丁醇体积比5:1,多糖提取液与Sevag液的体积比4:1,脱蛋白次数5次,蛋白脱除率及多糖含量分别为88.14%和34.85%。综上所述,采用Sevag法脱除蛋白是雨生红球藻多糖脱蛋白的有效方法,为藻多糖的进一步开发提供参考。
Removing protein is one of the important elements in the process of algae polysaccharide purification.In order to improve the efficiency of polysaccharide purification,the present paper mainly investigated the technology of protein removal from Haematococcus pluvialis polysaccharide,so as to optimize the process of de-protein.Operating parameters for deprotemization by Sevag method of polysaccharide from Haematococcus pluvialis were optimized using an orthogonal array design.The optimal conditions for deproteinizing crude polysaccharide by Sevag's method were found to be five treatment cycles with a mixture of chloroform and n-butyl alcohol(5:1,V/V)at a solid-to-solvent ratio of 1:4(g/mL).Under these conditions,the deprotemization rate and the polysaccharide content were 88.14% and 34.85%,respectively.The results showed that Sevag method is a potential effective way to remove Haematococcus pluvialis polysaccharide protein,and providing references for the development and utilization of Haematococcus pluvialis polysaccharide.
引文
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