Fractionation of extracted Madagascan Gracilaria corticata polysaccharides:: Structure and properties

被引：45

作者：

Andriamanantoanina, H.

Chambat, G.

Rinaudo, M.

机构：

[1] CNRE, Lab Microbiol & Environm, Antananarivo 101, Madagascar

[2] Univ Grenoble 1, CNRS, Ctr Rech Macromol Vegetales, F-38041 Grenoble 9, France

来源：

CARBOHYDRATE POLYMERS | 2007年 / 68卷 / 01期

关键词：

Gracilaria corticata; polysaccharides; step-by-step extraction; agar; chemical composition; rheology;

D O I：

10.1016/j.carbpol.2006.07.023

中图分类号：

O69 [应用化学];

学科分类号：

081704 [应用化学];

摘要：

Polysaccharides were sequentially extracted from Gracilaria corticata which is collected from south-west coast of Madagascar. Chemical analysis combined with H-1, C-13 NMR and Fourier transform infrared spectroscopies showed that the fraction extracted with water/ethanol 60% (v/v) as solvent has low methoxyl and pyruvate contents and a great ability to form relatively strong physical gels in the presence of KCl. Rheological properties of extracted fractions are discussed as well as the ionic selectivity. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：77 / 88

页数：12

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