Figure 2

Principal coordinate analysis (PCoA) of 16S rRNA metagenomics data of bacterial species in eight human samples (HS1–HS8). Eight human faecal samples (FEC), the corresponding cultures without yeast mannan (CUL), and the corresponding cultures with a 0.4% yeast mannan preparation (YM) were sampled 30 h after the initiation of fermentation. The circles, triangles, and squares in the PCoA plot represent microbiota in the FEC, CUL, and YM groups, respectively.