Fig. 3. Abundance of bacterial species drawn from samples of Apc^Min/+ mice fed the AIN-76A, 5% black raspberries (BRB), 500 ppm protocatechuic acid (PCA), and 1,000 ppm PCA supplemented diets, from left to right. AIN-76A samples were dominated by Ruminococcus gnavus with minor appearances of Desulfovibrio C21-c20 and Bacteroides acidifaciens. Akkermansia muciniphila became more prevalent in the 5% BRB and 500 ppm PCA samples, and to some extent the 1,000 ppm PCA samples. Ruminococcus gnavus and Desulfovibrio C21-c20 persisted in all samples but did so most notably in the 1,000 ppm PCA group. Bacteroides acidifaciens appeared in one sample of the 5% BRB group and in several of the 1,000 ppm PCA samples. Parabacteroides distasonis and Bacteroides uniformis appeared only in the 1,000 ppm PCA samples.

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