SRP468776 PRJNA1032899 Fermentation of beechwood xyan dervied xylooligosaccharides with human gut microbiota Five xylooligosaccharide fractions (F0, F1, F2, F3, F4) were prepared by partially hydrolyzed beechwood xylan. These fractions were fermented with the human gut microbiota at in vitro condition for 24 h.