NMR-STUDIES OF SYNERGISTIC KAPPA-CARRAGEENAN CAROB GALACTOMANNAN GELS

被引：35
作者：
ROCHAS, C
TARAVEL, FR
TURQUOIS, T
机构：
[1] Centre de Recherches sur les Macromolécules Végétales, CNRS, 38041 Grenoble cedex
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 1990年 / 12卷 / 06期
关键词：
galactomannan; gels; interaction; Kappa carrageenan; nuclear magnetic resonance; synergy;
D O I：
10.1016/0141-8130(90)90042-9
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：
13C-n.m.r. spectroscopy has been used to investigate the carob galactomannan-kappa carrageenan binary gels. Starting from partially depolymerized carob samples, evidence for interaction and intermolecular binding was found by analysis of the spectra obtained in quantitative conditions and in the absolute intensity mode. From these, a reconstitution of the signals corresponding to C-1, C-4, C-5 and C-6 showed the existence of three kinds of galactomannan chains: the first ones with a low galactose content were strongly connected and as much had completely lost their mobility; but the chains with a high galactose content were still detected and could be divided in two groups according to their mobility. © 1990.
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页码：353 / 358
页数：6
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