الفهرس 
Fast food and canned foodOnly 14 pages are availabe for public view
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Abstract
This study was carried out for isolation and purification of microbial contaminated fast and canned food, investigate the potential effects of antimicrobial activity of chitosan, pomegranate peel extract, zinc oxide nanoparticles and conventional zinc oxide against bacteria and fungi isolated from canned and fast food. Canned and fast food was collected from supermarket and restaurant in Tanta city in Egypt. Three gram positive bacilli belonging to three species were isolated from canned and fast food, two gram positive cocci belonging to two species were isolated, one genera of streptococci isolated, three gram negative bacilli belonging to three genera and species were isolated, two species of yeast and fungi were isolated. Bacterial cells were identified by standard method of identification and further molecular identification by 16SrRNA gene were performed for most common isolates, also yeast and fungi were identified by standard methods and further molecular identification by 18SrRNA gene were performed for most common isolates. Results of morphological and biochemical identification kits indicated that isolated organisms were Bacillus cereus, Bacillus subtilis, Bacillus atrophaeus, Staphylococcus saprophyticus, Staphylococcus epidermis, Enterococcus faecalis, E.coli, Klebsiella, Saccharomyces cerevisiae, Candida tropicalis, Aspergillus niger and Penicillium notatum. Results of molecular identification for most common isolates were Bacillus cereus and Aspergillus niger.