NMR RELAXATION MEASUREMENTS OF SUCROSE IN AQUEOUS-ETHANOL SOLUTIONS

被引:1
|
作者
CORNELL, DG
DUDLEY, RL
JOUBRAN, RF
PARRIS, N
机构
[1] Eastern Regional Research Center, Agriculture Research Service, United States Department of Agriculture, Philadelphia, Pennsylvania, 19118
关键词
D O I
10.1016/S0268-005X(09)80141-0
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The molecular motion of sucrose in water/alcohol/sucrose/casein solutions was studied by C-13-NMR spin-lattice relaxation measurements. The results suggest that the conformation of sucrose is unaffected by concentration, temperature, or the presence of alcohol or casein. There is no evidence for the interaction of sucrose with either alcohol or protein. Changes in the hydrodynamic radius of sucrose from relaxation measurement using solution or water viscosities were inconclusive.
引用
收藏
页码:19 / 26
页数:8
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