Chemical characterisation of oligosaccharides in commercially pasteurised dromedary camel (Camelus dromedarius) milk
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Date
2012Author
O.A. Alhaj
E. Taufik
Y. Handa
K. Fukuda
T. Saito
T. Urashima
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It has been suggested that bactrian camel milk and colostrum may be a good source of biologically significant oligosaccharides but, although the oligosaccharides found in bactrian camel milk and colostrum have been characterised, those in dromedary camel milk have not. In this study, seven oligosaccharides from commercially available pasteurised dromedary camel milk were characterised using 1H nuclear magnetic resonance spectroscopy. The following oligosaccharides were detected: Gal(b1-3) Gal(b1-4)Glc (30-galactosyllactose), Gal(b1-4)GlcNAc(b1-3)[Gal(b1-4)GlcNAc(b1-6)]Gal(b1-4)Glc (lacto- N-neohexaose), Neu5Ac(a2-3)Gal(b1-4)Glc (30-sialyllactose), Neu5Ac(a2-6)Gal(b1-4)Glc (60-sialyllactose), Neu5Ac(a2-3)Gal(b1-3)Gal(b1-4)Glc (sialyl-30-galactosyllactose), Neu5Ac(a2-3)Gal(b1-3) [Gal(b1-4)GlcNAc(b1-6)]Gal(b1-4)Glc (sialyllacto-N-novopentaose a) and Neu5Ac(a2-6)Gal(b1-4) GlcNAc(b1-3)[Gal(b1-4)GlcNAc(b1-6)]Gal(b1-4)Glc (monosialyllacto-N-neohexaose).