Fig. 2From: Effects of melanin from Sepiella Maindroni ink (MSMI) on the intestinal Microbiome of miceThe four most abundant phylum of fecal microbiota in every group. The relative abundance of (a) Bacteroidetes, (b) Firmicutes, (c) Proteobacteria, and (d) Deferribacteres are expressed as the mean ± SEM, “* and **” indicate significance at “p < 0.05 and p < 0.01”, respectively compared with S groupBack to article page