Fig. 4

Effect of SCFAs and HNK-SCFA-esters on E. faecalis proliferation. The effects of HNK-Ac (A), HNK-PAc (B), HNK-BAc (C), HNK-HAc (D), acetate (E), propionate (F), butyrate (G), and hexaonate (H) and on the proliferation of E. faecalis were monitored at OD 600 nm for 6 h. Data shown are the mean ± SD, n = 4.