CAR and microbial community As expected CAR was not detected in the control group ( Table 1 ), and based on PERMANOVA performed on Bray-Curtis matrix at an OTU level, CAR had marginally significant influence on microbial communities ( p = 0.044).
Other SCFAs also had a number of highly significant correlations, however, did not have significant influence on microbial community structure ( Fig 6 ).
There were no genera significantly correlated with concentration of carvacrol in the microbial cultures and overall effect of acetate and butyrate appeared to overpower borderline significance of carvacrol influence.