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Determination of the structure and molecular weights of the exopolysaccharide produced by Lactobacillus acidophilus 5e2 when grown on different carbon feeds

Laws, Andrew P., Chadha, Marcus J., Chacon-Romero, Mariana, Marshall, Valerie M. and Maqsood, Mohammed (2008) Determination of the structure and molecular weights of the exopolysaccharide produced by Lactobacillus acidophilus 5e2 when grown on different carbon feeds. Carbohydrate Research, 343 (2). pp. 301-307. ISSN 00086215

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Abstract

Lactobacillus acidophilus 5e2 when grown on skimmed milk, skimmed milk supplemented with sodium formate and skimmed milk supplemented with glucose secretes a branched heteropolysaccharide having a weight average molecular weight less than 450 kDa. The exopolysaccharide has a heptasaccharide repeat unit and is composed of d-glucose, d-galactose and N-acetyl-d-glucosamine in the molar ratio 3:3:1. Using chemical techniques and 1D and 2D-NMR spectroscopy the polysaccharide has been shown to possess the following repeat unit structure.

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
School of Applied Sciences > Biomolecular Sciences Research Centre
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Depositing User: Graham Stone
Date Deposited: 12 Feb 2009 16:02
Last Modified: 19 Jun 2013 12:36
URI: http://eprints.hud.ac.uk/id/eprint/3355

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