STRUCTURAL STUDIES OF AN ARABINOXYLAN ISOLATED FROM LITSEA-GLUTINOSA (LAURACEAE)

被引：16

作者：

HERATH, HMTB ^{[1
]}

KUMAR, NS ^{[1
]}

WIMALASIRI, KMS ^{[1
]}

机构：

[1] UNIV PERADENIYA,DEPT CHEM,PERADENIYA,SRI LANKA

来源：

CARBOHYDRATE RESEARCH | 1990年 / 198卷 / 02期

关键词：

D O I：

10.1016/0008-6215(90)84304-D

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：

A water-soluble arabinoxylan (d-xylose and l-arabinose in the molar ratio 1.0:3.4) was isolated from the mucilaginous bark of Litsea glutinosa (Lauraceae). The results of methylation analysis, partial hydrolysis, and 1H- and 13C-n.m.r. spectroscopy indicated a backbone of (1→4)-linked β-d-xylopranosyl residues substituted at both positions 2 and 3 with side chains composed of either single or (1→3)-linked arabinofuranosyl residues. Both α-l- and β-l-arabinofuranosyl residues were present. It is possible that side chains composed of two β-l-arabinofuranosyl residues are attached mainly at O-2 of some xylosyl residues. © 1990.

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页码：343 / 351

页数：9

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