Fig. 3.

Biofilm inhibition by CEA extract. The picture displays the effect of 25, 50 and 100 μg/ml of CEA extract on the biofilm formation of (a) E. coli strain 1 (b) E. coli strain 2 (c) E. coli strain 3 and (d) ATCC strain of E. coli. (e, f, g) The formation of different concentrations of biofilm around the walls in a 96-well microplate