Alanylglutamine Relieved Asthma Symptoms by Regulating Gut Microbiota and the Derived Metabolites in Mice

Figure 2

Differences of α-diversity index and species composition of the phylum level: (a) observed OTUs; (b) Simpson index; (c) Shannon index; (d) Chao1 index; (e) PD whole tree; (f) phylum level; (g) Bacteroidetes; (h) Firmicutes; (i) Tenericutes. OTUs: operational taxonomic units. ; ns: not significant.

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