Evaluation and Comparison of the antimicrobial activity of Bifidobacterium bifidum and Bifidobacterium infantis as probiotic bacteria against Salmonel

Evaluation and Comparison of the antimicrobial activity of Bifidobacterium bifidum and Bifidobacterium infantis as probiotic bacteria against Salmonel

نوع فایل:PDFتعداد صفحات:8
سال انتشار:1395
چکیده
During the last decades, the prevalence of foodborne diseases due to contaminated food as well as demand for natural and healthy foods has increased. Using probiotics for this purpose and for inhibiting growth of food pathogens is an interesting topic.Objective: The aim of this study was to investigate the antibacterial effects of Bifidobacterium bifidum and Bifidobacterium infantis against salmonella enterica serotype Enteritidis by three different methods namely spot on lawn assay, agar well diffusion assay and agar disk diffusion assay and to compare the methods by the means of SPSS program.Material and methods: Supernatant and sediment of the two probiotic bacteria culture was tested in three different…