In Vitro Fermentation of Porcine Milk Oligosaccharides and Galacto-oligosaccharides Using Piglet Fecal Inoculum

Elisabetta Difilippo, Feipeng Pan, Madelon Logtenberg, Rianne Willems, Saskia Braber, Johanna Fink-Gremmels, Henk A. Schols*, Harry Gruppen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

20 Citations (Scopus)

Abstract

In this study, the in vitro fermentation by piglet fecal inoculum of galacto-oligosaccharides (GOS) and porcine milk oligosaccharides (PMOs) was investigated to identify possible preferences for individual oligosaccharide structures by piglet microbiota. First, acidic PMOs and GOS with degrees of polymerization 4-7 were depleted within 12 h of fermentation, whereas fucosylated and phosphorylated PMOs were partially resistant to fermentation. GOS structures containing β1-3 and β1-2 linkages were preferably fermented over GOS containing β1-4 and β1-6 linkages. Upon in vitro fermentation, acetate and butyrate were produced as the main organic acids. GOS fermentation by piglet inoculum showed a unique fermentation pattern with respect to preference of GOS size and organic acids production.

Original languageEnglish
Pages (from-to)2127-2133
JournalJournal of Agricultural and Food Chemistry
Volume64
Issue number10
DOIs
Publication statusPublished - 2016

Keywords

  • fibers
  • gas chromatography
  • human fermentation
  • liquid chromatography
  • nondigestible carbohydrates
  • organic acids
  • short-chain fatty acids
  • sugars

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