期刊
JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
卷 52, 期 5, 页码 3051-3057出版社
SPRINGER INDIA
DOI: 10.1007/s13197-014-1354-2
关键词
Food safety; Risk assessment; Foodborne pathogens; Enteric fever; Microwaving; Salmonellosis; Poultry meat
资金
- University of Balochistan, Pakistan
- Asian Institute of Technology, Thailand
A study was conducted to evaluate the risk of Salmonella contamination and its survival at different stages in chill ready-to-eat poultry meat products chain. Samples (n = 181) were collected and examined for the presence of Salmonella species. The bacteria were initially identified against polyvalent antisera O and H, followed by confirmation with 16 s rDNA. The single Salmonella, isolate from the tested food samples showed 99.8 % phylogenetic similarity with Salmonella enterica. It was further evaluated for antibiotic sensitivity pattern and found resistant to four antibiotics including ampicillin, chloramphenicol, tetracycline and nalidixic acid. Salmonella associated with ready-to-eat poultry meat products were found active at storage temperature a parts per thousand yen4 A degrees C in a challenge study. It was revealed that shape and weight of the meat pieces have direct influence on the reduction of pathogens during microwave heating. The 30 and 60 s microwaving (with radiation power fixed at 900 W) was found ineffective for the elimination of target bacteria (10(6)-10(7) CFU/g) in meat pieces with weight a parts per thousand yen90 g. Salmonella enterica was able to survive in simulated gastric fluid. The storage temperature and microwaving were found critical point for the transfer of pathogens through ready-to-eat poultry meat products to consumer in chill ready-to-eat poultry meat chain.
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