The structure of the exopolysaccharide produced by Lactobacillus helveticus 766

The exopolysaccharide produced by Lactobacillus helveticus 766 in skimmed milk was found to be composed of d-glucose and d-galactose in a molar ratio of 2:1. Linkage analysis and 1D/2D NMR studies ( 1H and 13C) performed on the native polysaccharide, and on oligosaccharides obtained from a partial a...

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Veröffentlicht in:	Carbohydrate research 1995-10, Vol.276 (1), p.137-154
Hauptverfasser:	Robijn, Gerard W., Thomas, Jerry R., Haas, Han, van den Berg, Dick J.C., Kamerling, Johannis P., Vliegenthart, Johannes F.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbohydrate Sequence Exopolysaccharide structure Hydrolysis Lactic acid bacteria Lactobacillus - chemistry Lactobacillus - metabolism Lactobacillus helveticus Magnetic Resonance Spectroscopy Molecular Sequence Data Monosaccharides - analysis Polysaccharides, Bacterial - biosynthesis Polysaccharides, Bacterial - chemistry Polysaccharides, Bacterial - isolation & purification
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Zusammenfassung:	The exopolysaccharide produced by Lactobacillus helveticus 766 in skimmed milk was found to be composed of d-glucose and d-galactose in a molar ratio of 2:1. Linkage analysis and 1D/2D NMR studies ( 1H and 13C) performed on the native polysaccharide, and on oligosaccharides obtained from a partial acid hydrolysate, showed the polysaccharide to consist of hexasaccharide repeating units with the following structure: ▪
ISSN:	0008-6215 1873-426X
DOI:	10.1016/0008-6215(95)00171-O