The in vitro fermentation selectivity of purified galactooligosaccharides (GOS) after their conjugation with bovine beta-lactoglobulin (beta-LG) via the Maillard reaction and a subsequent simulated gastrointestinal digestion was evaluated. Changes in human faecal bacterial populations, lactic acid and short-chain fatty acids after 10 h and 24 h of fermentation of the digested beta-LG:GOS conjugates revealed that this mixture of glycated peptides had a similar bifidogenic activity to the unconjugated GOS. These findings could open up new applications for Maillard reaction products in the functional foods field. (c) 2011 Elsevier Ltd. All rights reserved.
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Univ Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, BrazilUniv Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, Brazil
Botaro, Bruno G.
Lima, Ygor V. R.
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Ctr Univ Anhanguera, Fac Med Vet, BR-13614370 Leme, BrazilUniv Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, Brazil
Lima, Ygor V. R.
Aquino, Adriana A.
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Univ Fed Lavras, Fac Zootecnia, BR-37200000 Minas Gerais, BrazilUniv Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, Brazil
Aquino, Adriana A.
Fernandes, Raquel H. R.
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Univ Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, BrazilUniv Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, Brazil
Fernandes, Raquel H. R.
Garcia, Jose F.
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Univ Estadual Paulista, Lab Bioquim & Biol Mol Anim, BR-16050680 Aracatuba, BrazilUniv Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, Brazil
Garcia, Jose F.
Santos, Marcos V.
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Univ Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, BrazilUniv Sao Paulo, Fac Med Vet & Zootecn, BR-13635900 Pirassununga, Brazil