Structural peculiarities of polysaccharide from sterile form of Far Eastern red alga Ahnfeltiopsis flabelliformis

被引：25

作者：

Kravchenko, Anna O. ^{[1
]}

Anastyuk, Stanislav D. ^{[1
]}

Isakov, Vladimir V. ^{[1
]}

Sokolova, Ekaterina V. ^{[1
]}

Glazunov, Valery P. ^{[1
]}

Yermak, Irina M. ^{[1
]}

机构：

[1] Russian Acad Sci, Far Eastern Branch, GB Elyakov Pacific Inst Bioorgan Chem, Vladivostok 690022, Russia

来源：

CARBOHYDRATE POLYMERS | 2014年 / 111卷

基金：

俄罗斯基础研究基金会;

关键词：

Carrageenan; Structure; Ahnfeltiopsis flabelliformis; NMR spectroscopy; Mass spectrometry; SULFATED GALACTANS; CHEMICAL-STRUCTURE; CARRAGEENAN; RHODOPHYTA; GIGARTINALES; SYSTEM; OLIGOSACCHARIDES; PHYLLOPHORACEAE; FRAGMENTATION; ANTICOAGULANT;

D O I：

10.1016/j.carbpol.2014.04.022

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

KCl-insoluble sulfated polysaccharide from sterile alga Ahnfeltiopsis flabelliformis was investigated. Partial reductive hydrolysis and NMR spectroscopy showed that the polysaccharide comprises disaccharide units of carrabiose only. According to FT-IR-, 1D, 2D NMR spectroscopies and mass-spectrometry this polysaccharide is kappa/beta-carrageenan with ratio of kappa- and beta-types units 3:1 and contains minor amounts of iota- and gamma-carrageenans (precursor of beta-carrageenan). In addition, ESIMS/MS data suggested that xylose (minor amount) is present in the polysaccharide as a substituent one of hydroxyl group of galactose. According to aPTT and PT assays the studied carrageenan affected mostly intrinsic pathway of coagulation, while it effect on the extrinsic pathway is absent. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：1 / 9

页数：9

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