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化工学报  2014 

玉米肽-麦芽糊精糖基化产物与α-生育酚共组装纳米粒子的制备及其性质

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Keywords: 玉米肽,&alpha,-生育酚,麦芽糊精,糖基化,纳米粒子,食品加工

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Abstract:

通过美拉德反应制备玉米肽-麦芽糊精糖基化产物,再通过反溶剂法制备糖基化产物与α-生育酚共组装纳米粒子,系统地研究了制备参数对于复合粒子的影响。结果表明,糖基化产物浓度、玉米肽与α-生育酚质量比、pH对于复合粒子的粒度与ζ-电位有重要的影响。采用动态光散射、ζ-电位观察发现,通过调节制备参数,荷载α-生育酚的玉米肽-麦芽糊精糖基化产物可以形成平均粒度为80~100nm的纳米粒子,其表面电荷分布在-23~-32mV之间。与玉米肽、玉米肽/麦芽糊精混合物相比,玉米肽-麦芽糊精糖基化产物对于α-生育酚具有更高的荷载效率,以及更好的pH稳定性。

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