In Vitro fermentability of sugar beet pulp derived oligosaccharides using human and pig fecal inocula

A.G.M. Leijdekkers, M. Aguirre, K. Venema, G. Bosch, H. Gruppen, H.A. Schols

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60 Citations (Scopus)


The in vitro fermentation characteristics of different classes of sugar beet pectic oligosaccharides (SBPOS) were studied using human and pig fecal inocula. The SBPOS consisted mainly of partially acetylated rhamnogalacturonan-oligosaccharides and partially methyl esterified/acetylated homogalacturonan-oligosaccharides. Some SBPOS contained an unsaturated galacturonic acid residue at their non-reducing end. It was shown that SBPOS could be completely fermented by human and pig fecal microbiota, thereby producing butyrate, yet mainly acetate and propionate as metabolites. The degradation of SBPOS by pig fecal microbiota was different and much slower compared to human fecal microbiota. In general, rhamnogalacturonan-oligosaccharides were slower degraded than homogalacturonan32 oligosaccharides. Acetylation of rhamnogalacturonan-oligosaccharides lowered the degradation rate by pig fecal microbiota, but not by human fecal microbiota. No classic bifidogenic effect was shown for SBPOS using human fecal inoculum. However, several other potentially interesting modifications in the microbiota composition that can be associated with host health were observed, which are discussed.
Original languageEnglish
Pages (from-to)1079-1087
JournalJournal of Agricultural and Food Chemistry
Issue number5
Publication statusPublished - 2014


  • irritable-bowel-syndrome
  • pectic-oligosaccharides
  • arabino-oligosaccharides
  • ulcerative-colitis
  • large-intestine
  • fermentation
  • microbiota
  • butyrate
  • bacteria
  • profiles


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