Fig. 8

Determination of inhibition zones of (A) propolis, (B) nanopropolis, (C) propolis extract, (D) ZnO nanoparticles, and (E) ZnO-propolis against E. coli.

Determination of inhibition zones of (A) propolis, (B) nanopropolis, (C) propolis extract, (D) ZnO nanoparticles, and (E) ZnO-propolis against E. coli.