酵母中小分子糖渗滤特性研究

1.江南大学,化学与材料工程学院,无锡,214036

2.河南省淮阳县环保局,淮阳,466700

3.江南大学,化学与材料工程学院,无锡,214036

4.江南大学,化学与材料工程学院,无锡,214036

5.江南大学,化学与材料工程学院,无锡,214036

Characteristic of micromolecular sugar in yeast using continuous diafiltration

根据纳滤过程和渗透原理数学模型,采用一元线性方程推导出料液和渗滤液中葡萄糖、海藻糖浓度与累积渗透体积的指数曲线,并对糖浓度的实测值和预测值进行比较.经过渗滤处理,葡萄糖和海藻糖回收率分别达86.96%和83.64%,而其他低聚糖损失率小于3%,指数方程能较好预测渗滤过程浓度变化.

[1]	Goulas AK.;Kapasakalidis PG.;Sinclair HR.;Rastall RA.;Grandison AS. .Purification of oligosaccharides by nanofiltration[J].Journal of Membrane Science,2002(1):321-335.
[2]	Kamada T;Nakajima M;Nabetani H;Saglam N;Iwamoto S .Availability of membrane technology for purifying and concentrating oligosaccharides[J].European food research and technology =: Zeitschrift fur Lebensmittel-Untersuchung und -Forschung. A,2002(5):435-440.
[3]	Pontalier P Y;Ismail A;Ghoul M et al.Mechanism for the selective rejection of solutes in nanofiltration membrane[J].Separation and Purification Technology,1997,12:175-183.
[4]	姚红娟,王晓琳.压力驱动膜分离过程的操作模式及其优化[J].膜科学与技术,2003(06):38-43.
[5]	Grandison A S;Lewis M J.Separation processes in the food and biotechnology industries[M].Cambridge:Woodhead Publishing Ltd,1996

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