Inhibitory effect of Clostridium butyricum(C B) on bacteria

Objective:To study the inhibitory effect of Clostridium butyricum(C B) on Enterohemorrhagic Escherichia.coli (EHEC), Shigella dysenteriae , Salmonella cholerae , Cholera vibrio which belong to pathogenic bacteria of intestinal tract as well as Bifidobacterium infatis .Methods:C B and other bacteria was singly cultured respeclively,and pH levels and viable bacteria amounts were determined at various time,then C B were mixedly cultured with other bacteria respectively,and pH levels and viable bacteria amounts were also determined,and the data obtained from the single and mixed cultwre were compared.Results:C B had no inhibitory effect on the Bifidobacterium infatis but had obvious inhibitory effect on the EHEC, Shigella dysenteriae , Salmonella cholerae and Cholera vibrio .Conclusion:C B is of obvious inhibitory effect on the pathyogenic becteriae of intestinal tract.