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Título: | In vitro bifidogenic effect of Maillard-type milk protein-galactose conjugates on the human intestinal microbiota |
Autor: | Corzo-Martínez, Marta CSIC ORCID; Hernández-Hernández, Oswaldo CSIC ORCID ; Villamiel, Mar CSIC ORCID ; Rastall, Robert A.; Moreno, F. Javier CSIC ORCID | Fecha de publicación: | 2013 | Editor: | Elsevier | Citación: | International Dairy Journal 31(2): 127-131 (2013) | Resumen: | This work addresses the effect of sodium caseinate (SC) and β-lactoglobulin (β-Lg) glycosylated with galactose (Gal) via the Maillard reaction on the human intestinal microbiota, using small-scale in vitro batch cultures inoculated with human faeces. The glycation process was controlled to maximise formation of the corresponding Amadori compound, tagatosyl-lysine, a derivative of tagatose. Both glycoconjugates (SC:Gal and β-Lg:Gal) induced a significant increase in bifidobacteria, whilst Lactobacillus-Enterococcus, Clostridium histolyticum, Atopobium and Bacteroides populations were unmodified. Additionally, β-Lg:Gal glycoconjugate also significantly stimulated the growth of the Clostridium coccoides-Eubacterium rectal group. SC:Gal glycoconjugate gave rise to a significant increase in acetic acid concentration. From these results it could be inferred that the conjugation of proteins or peptides with non-prebiotic carbohydrates, such as Gal, might lead to new prebiotic products with different properties than the free carbohydrate or native protein. © 2013 Elsevier Ltd. | URI: | http://hdl.handle.net/10261/100098 | DOI: | 10.1016/j.idairyj.2013.01.004 | Identificadores: | doi: 10.1016/j.idairyj.2013.01.004 issn: 0958-6946 e-issn: 1879-0143 |
Aparece en las colecciones: | (IQOG) Artículos (CIAL) Artículos |
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