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Relationship between sweetness of sucrose-halogenated derivatives and molecular energy
Author(s): ZHAO Wenwu, CHEN Renyuan, XU Xingjiang, CHEN Mengyuan
Pages: 67-
70
Year: 2014
Issue:
6
Journal: China Brewing
Keyword: sucrose halogenated; sweetness; molecule energy; charge distribution; semi-empirical method;
Abstract: 蔗糖甜度与分子上的8个羟基密切相关,使用亲油性卤原子,取代蔗糖分子的葡糖基和果糖基上特殊位置的羟基,可以使蔗糖甜味明显增强,这些特殊位置包括C-4、C-1’、C-4'和C-6'.用化学软件Hyperchem7.5,采用PM3半经验量子化学方法计算了16个蔗糖卤代衍生物的5种量子化学结构参数,取其中的12组数据进行分析,结果表明,蔗糖衍生物的甜度与其本身的总能量的大小有着密切的关系,并计算分子的电荷分布,从电荷分布进一步证明它们之间的关系,经过分析得出结论:运用该模型,能够通过计算蔗糖衍生物总能量的大小预测其他卤代蔗糖的甜度的大小.
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