HAIRY (RAMIFIED) REGIONS OF PECTINS .3. IDENTIFICATION BY NMR-SPECTROSCOPY OF OLIGOSACCHARIDES OBTAINED BY TREATMENT OF THE HAIRY REGIONS OF APPLE PECTIN WITH RHAMNOGALACTURONASE

被引：104

作者：

COLQUHOUN, IJ ^{[1
]}

DERUITER, GA ^{[1
]}

SCHOLS, HA ^{[1
]}

VORAGEN, AGJ ^{[1
]}

机构：

[1] AGR UNIV WAGENINGEN, DEPT FOOD SCI, 6703 HD WAGENINGEN, NETHERLANDS

来源：

CARBOHYDRATE RESEARCH | 1990年 / 206卷 / 01期

关键词：

D O I：

10.1016/0008-6215(90)84012-J

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：

2D-N.m.r. methods have been used to determine the composition of a mixture of oligosaccharides obtained by enzymic degradation of the modified hairy (ramified) regions of apple pectin with a new rhamnogalacturonase. The structures of the oligosaccharides were based on the unit α-Rhap-(1→4)-α-GalA-(1→2)-α-Rhap-(1→4)-GalA. A β-Galp unit was 4-linked to approximately half of the terminal Rhap residues and to half of the (1→2)-linked Rhap residues. The sample contained a mixture of a tetrasaccharide, two pentasaccharides, and one hexasaccharide. © 1990.

引用

页码：131 / 144

页数：14

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