Isolation and structure characterization of a (4-O-methyl-D-glucurono)-D-xylan from the skin of Opuntia ficus-indica prickly pear fruits

被引：20

作者：

Habibi, Y

Mahrouz, M

Vignon, MR

机构：

[1] Univ Cadi Ayyad, Dept Chim, Fac Sci Semlalia, Unite Chim Agro Alimentaire,LCOA, Marrakech 40001, Morocco

[2] CNRS, Ctr Rech Macromol Vegetales, F-75700 Paris, France

[3] Univ Grenoble 1, F-38041 Grenoble, France

来源：

JOURNAL OF CARBOHYDRATE CHEMISTRY | 2003年 / 22卷 / 05期

关键词：

Opuntia ficus-indica; prickly pear skin; 4-O-methyl-glucuronoxylan; ion-exchange chromatography; H-1 and C-13 NMR spectroscopy;

D O I：

10.1081/CAR-120023476

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 slightly water soluble (4-O-methyl-D-glucurono)-D-xylan was isolated from the skin of Opuntia ficus-indica (OFI) fruits by alkaline extraction, followed by ethanol precipitation and ion-exchange chromatography. The structure of this xylan was determined by sugar determination coupled with a H-1 and C-13 NMR spectroscopy analysis. The xylan consisted of a linear (1-->4)-beta-D-xylopyranosyl backbone decorated with 4-O-methyl-alpha-D-glucopyranosyluronic acid groups linked to the C-2 of the xylopyranosyl residues, in the ratio of one uronic acid for six neutral sugar units.

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页码：331 / 337

页数：7

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