Fig. 5From: Penthorum chinense Pursh improves type 2 diabetes mellitus via modulating gut microbiota in db/db miceEffects of PCP on the diversity and richness of the gut microbiota. (A) Chao1 index, (B) PD index, (C) Shannon index, (D) Simpson, (E) NMDS analysis, and (F) Venn diagram based on comparisons of the overlapping and exclusive OTUs of the four groups. *, ** and *** indicate P < 0.05, P < 0.01 and P < 0.001, respectivelyBack to article page