From a practical point of view, the results showed an important antimicrobial effect of chitosan and oregano on microbial quality, E. coli O157:H7 and L. monocytogenes 4b on ready to barbecue poultry meat. The combined use of chitosan and CEO of oregano can also reduce the number of spoilage and safety indicators and also the two foodborne pathogenic bacteria in ready to barbecue chicken meat.