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Open Access item Bifidogenic effect and stimulation of short chain fatty acid production in human faecal slurry cultures by oligosaccharides derived from lactose and lactulose

Authors:Cardelle-Cobas, Alejandra
Fernández García, María
Salazar, Nuria
Martínez-Villaluenga, Cristina
Villamiel, Mar
Ruas-Madiedo, Patricia
González de los Reyes-Gavilán, Clara
Keywords:Oligosaccharides, Bifidogenic effect, Short chain fatty acids, Lactose, Lactulose
Issue Date:18-May-2009
Publisher:Cambridge University Press
Citation:Journal of Dairy Research 76(3): 317-325 (2009)
Abstract:Bifidogenic effect and stimulation of short chain fatty acid (SCFA) production by fractions of oligosaccharides with a DP≥3 and Gal β(1-6) linkages synthesised from lactose or lactulose by Pectinex Ultra SP-L and Lactozym 3000 L HP G were evaluated in human faecal slurries. Results were compared with those obtained for the commercial oligosaccharide mixture Vivinal®-GOS. Quantitative real-time PCR showed that all galacto-oligosaccharide (GOS) fractions stimulated slightly higher bifidobacteria growth than lactose, lactulose and Vivinal®-GOS. GOS fractions promoted the production of total SCFA and acetic acid in a similar way to Vivinal®-GOS and more than glucose, lactose and lactulose. In conclusion, oligosaccharides derived from lactose and lactulose may represent a suitable alternative to lactulose for the design of new functional food ingredients. © Proprietors of Journal of Dairy Research 2009.
URI:http://hdl.handle.net/10261/50593
Identifiers:doi: 10.1017/S0022029909004063
issn: 0022-0299
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