Salmonella typhimurium (14028); Staphylococcus aureus (ATCC 25923); Escherichia coli (026) (native strain); Bacillus cereus (ATCC 11778); Listeriamonocytogenes (PTCC 1163); Klebsiella pneumoniae (ATCC 10031); Shigella flexneri (PTCC 1234) values are mean standard error mean (SEM).All incubations were performed in triplicate. Within a row, values with different superscripts are significantly different at P ≤ 0.05.