Fig. 4.

Effects of pomelo peel dietary fiber on gut microbial diversity of HFD-fed mice. (A) Principal coordinates analysis (PCoA); (B) Chao index; (C) observed species; (D) phylogenetic diversity whole tree; (C) Shannon index; and (F) Simpson index. Data are expressed as mean ± s. d. (n = 4). Bars with different letters indicate significant differences (P < 0.05). ND: normal diet; HFD: high-fat diet; LPPDF: low-dose pomelo peel dietary fiber; MPPDF: medium-dose pomelo peel dietary fiber; HPPDF: high-dose pomelo peel dietary fiber.