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Isolation, Characterization, and Application of Bacteriophages Against Several Food Spoilages Bacteria


 Objective: This study was conducted to isolate bacteriophages from soil sample, retail food, and wastewater from fish and then the bacteriophages will be characterized for their activity against several food spoilage bacteria, such as Bacillus cereus, Bacillus subtilis, and Shewanella putrefaciens and will be further investigated for application as food preservation.Results: Total of four bacteriophages were isolated with B. cereus, B. subtilis, and S. putrefaciens as host bacteria. Bacteriophage titers observed around 109 PFU mL-1. Bacteriophages that isolated with B. cereus and B.subtilis as host bacteria tend to have high EOP with the same species bacteria. All the Bacillus phages (S1-BC, S2-BC, and S1-BS) can reduce the Bacillus species bacteria concentration for more than 90%. Refers to their activity, the isolated bacteriophages in this study have a great potential as biocontrol against several food spoilage bacteria.