Screening and Evaluation of Bacteriocin Producing L. planatrum and L. pentosus Against Food-Borne Pathogenic Bacteria Isolated from Raw Milk of Cow and Goat from Northern Region of India
Keywords:Antagonistic activity, Bacteriocin, Raw milk
This study focused on inhibitory effect of L. planatrum and L. pentosus isolated from raw milk of cow and goat. The milk samples were taken because of broad spectrum against various food spoilage microorganisms. The spreading of food contaminating micro flora and food-borne pathogens bacteria is threats for food security and public health issues. In the screening of lactic acid bacteria (LAB), out of 18 strains of LAB were isolated from 56 were identified according to their morphological and biochemical characteristics. Whereas, only two isolates (Cm12 and Gm6) showed the bacteriocin producing activity. The cell-free supernatant of these two isolates are protinecous in nature having antimicrobial molecule present in the culture supernatant were found most promising to inhibit all food contaminating bacteria such as Escherichia coli, Staphylococcus aureus, and Bacillus cereus. Thus, further extensive research L. pentosus strains were considered as novel potential bacteria that were further goes for enhancing the longevity of food products.
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Copyright (c) 2022 Verinder Virk, Garima Verma, Chand Ram
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