Structure of a neutral exopolysaccharide produced by Lactobacillus delbrueckii ssp bulgaricus LBB.B26

被引：21
作者：
Sanchez-Medina, Inmaculada
Gerwig, Gerrit J.
Urshev, Zoltan L.
Kamerling, Johannis P.
机构：
[1] Univ Utrecht, Bijvoet Ctr, Dept Bio Organ Chem, NL-3584 CH Utrecht, Netherlands
[2] R&D Ctr, LB Bulgaricum Plc, Sofia 1202, Bulgaria
来源：
CARBOHYDRATE RESEARCH | 2007年 / 342卷 / 16期
关键词：
Lactobacillus delbrueckii spp. bulgaricus; exopolysaccharide; lactic acid bacteria; structural analysis; NMR spectroscopy; mass spectrometry;
D O I：
10.1016/j.carres.2007.06.014
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：
The neutral exopolysaccharide produced by Lactobacillus delbrueckii ssp. bulgaricus LBB.B26 in skimmed milk was found to be composed Of D-glucose and D-galactose in a molar ratio of 2:3. Linkage analysis and 1D/2D NMR (H-1 and C-13) studies performed on the native polysaccharide, and on an oligosaccharide obtained from a partial acid hydrolysate of the native polysaccharide, showed the polysaccharide to consist of branched pentasaccharide repeating units with the following structure: [GRAPHICS] (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2430 / 2439
页数：10
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