Eugene Rurangwa
Belgium
Research Article
Fermentation of Arabinoxylan-Oligosaccharides, Oligofructose and their Monomeric Sugars by Hindgut Bacteria from Siberian Sturgeon and African Catfish in Batch Culture in vitro
Author(s): Zahra Geraylou,Eugene Rurangwa,Tom Van De Wiele,Christophe M Courtin,Jan A Delcour,Johan Buyse*,Frans OllevierZahra Geraylou,Eugene Rurangwa,Tom Van De Wiele,Christophe M Courtin,Jan A Delcour,Johan Buyse*,Frans Ollevier
The in vitro fermentation of two Non-Digestible Oligosaccharide (NDO) preparations, Arabinoxylan-
Oligosaccharides (AXOS) and Oligofructose (OF), and their respective monomeric sugars, xylose and fructose, were investigated by hindgut microbiota of two major aquaculture fish species, Siberian sturgeon (Acipenser baerii) and African catfish (Clarias gariepinus). Inocula from the hindgut of both fish species were incubated for 48 h in bottles containing 1.0% of one of four substrates, i.e. AXOS, OF, xylose or fructose. Amounts and profiles of produced Short-Chain Fatty Acids (SCFAs) differed between the two fish species and substrates. The hindgut microbiota of Siberian sturgeon has a higher fermentation capacity than the microbiota from African catfish. Xylose was much easier fermented than AXOS by microbiota from Siberian sturgeon whereas OF was quicker fermented than fructose .. View More»