STRUCTURAL FEATURES OF A WATER-SOLUBLE L-ARABINO-D-XYLAN FROM RYE BRAN

被引：65

作者：

EBRINGEROVA, A

HROMADKOVA, Z

PETRAKOVA, E

HRICOVINI, M

机构：

[1] Institute of Chemistry, Slovak Academy of Sciences

来源：

CARBOHYDRATE RESEARCH | 1990年 / 198卷 / 01期

关键词：

D O I：

10.1016/0008-6215(90)84276-Z

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 l-arabino-d-xylan, obtained from the chlorite holocellulose of de-lipidated, de-starched, and de-pectinated rye bran by ammoniacal extraction, was composed of l-Ara and d-Xyl in the molar ratio 7.8:10 and had Mw 36 500 and Mn 26 950. The backbone of the polysaccharide was shown to comprise (1→4)-linked β-d-Xylp residues, with ∼41% unsubstituted, ∼33% 2- or 3-substituted, and ∼26% disubstituted. Single α-l-Araf groups were attached to the xylan core; only a small proportion was 2-, 3-, or 5-linked. © 1990.

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页码：57 / 66

页数：10

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