MULTINUCLEAR NMR-STUDIES OF GROUP-I CATIONS IN FURCELLARAN GELS

被引：11
|
作者：
TANNER, SF
MORRIS, VJ
BELTON, PS
机构：
[1] AFRC Institute of Food Research, Norwich Laboratory, Norwich, NR4 7UA, Colney Lane
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 1990年 / 12卷 / 05期
关键词：
furcellaran; gelation; gels; Multinuclear n.m.r;
D O I：
10.1016/0141-8130(90)90018-6
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Multinuclear n.m.r. experiments were carried out in order to study the possible selective interaction between group I cations and furcellaran. It has been shown that the intensity of the 39K, 87Rb and 133Cs spectra show a change in the vicinity of the sol-gel transition. However, the intensity of the 23Na spectrum showed no singularity at the sol-gel transition. These studies suggest that the selective interactions of the group I cations upon gelation of furcellaran resemble those observed for the structurally related kappa-carrageenan. © 1990.
引用
收藏
页码：302 / 304
页数：3
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