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Growth inhibition of S. Typhimurium (A), enterohemorrhagic Escherichia coli (EHEC) (B), S. aureus (C), and L. monocytogenes (D) in co-culture of wild-type LP and LP+PR strains at 0, 6, 24, and 48 h. Error bars indicate standard deviation from 6 parallel trials. Different letters (a–c) at each time point indicate the significant growth reduction when compared to control at P < 0.05.
