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. 2012 Oct 17;7(10):e47212. doi: 10.1371/journal.pone.0047212

Figure 3. Correlation between Bacteroidetes/Firmicutes ratios and concentrations of SCFA.

Figure 3

Correlation between concentrations of acetic acid (○) and butyric acid (□) and Bacteroidetes/Firmicutes ratios (Bacteroides-Prevotella-Porphyromonas group/Clostridium perfringens cluster I, Clostridium coccoides - Eubacterium rectale group and Clostridial cluster XIV) for synbiotic combinations with Lactobacillus acidophilus NCFM (A) and Bifidobacterium animalis subsp. lactis Bl-04 (B). Concentrations of acetic and butyric acid in control fermentations are denoted by grey circles and squares, respectively. The Spearman Rank probabilities (p) and correlations (R) are shown in the graphs.