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. 2019 May 29;10:1143. doi: 10.3389/fmicb.2019.01143

FIGURE 4.

FIGURE 4

Effects of different starch source diet on the pH values and microbial metabolites in colonic digesta of pigs. (A) pH values; (B) lactate; (C) SCFAs; (D) biogenic amines; (E) phenolic and indole compounds; (F) ammonia. The values were expressed as the means ± SEM (n = 8). Asterisks indicated statistically significant difference among different treatment groups: P < 0.05. TS, tapioca starch; CS, corn starch; PS, pea starch.