德氏乳杆菌保加利亚亚种LBB.B26产生的一种中性胞外多糖的结构
Structure of a neutral exopolysaccharide produced by Lactobacillus delbrueckii ssp. bulgaricus LBB.B26.
作者信息
Sánchez-Medina Inmaculada, Gerwig Gerrit J, Urshev Zoltan L, Kamerling Johannis P
机构信息
Bijvoet Center, Department of Bio-Organic Chemistry, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands.
出版信息
Carbohydr Res. 2007 Nov 26;342(16):2430-9. doi: 10.1016/j.carres.2007.06.014. Epub 2007 Jun 20.
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 ((1)H and (13)C) 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. [structure: see text]
德氏乳杆菌保加利亚亚种LBB.B26在脱脂乳中产生的中性胞外多糖被发现由摩尔比为2:3的D-葡萄糖和D-半乳糖组成。对天然多糖及其从天然多糖部分酸水解产物获得的寡糖进行的键合分析和一维/二维核磁共振（（1）H和（13）C）研究表明，该多糖由具有以下结构的支链五糖重复单元组成。[结构：见原文]
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