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Transfer of foodborne pathogenic bacteria to non-inoculated beef fillets through meat mincing machine

机译:通过切肉机将食源性致病菌转移到未接种的牛肉片上

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摘要

The aim of this study was to evaluate the transfer of pathogens population to non-inoculated beef fillets through meat mincing machine. In this regard, cocktails of mixed strain cultures of each Listeria monocytogenes. Salmonella enterica ser. Typhimurium and Escherichia coli O157:H7 were used for the inoculation of beef fillets. Three different initial inoculum sizes (3,5, or 7 log CFU/g) were tested. The inoculated beef fillets passed through meat mincing machine and then, six non-inoculated beef fillets passed in sequence through the same mincing machine without sanitation. The population of each pathogen was measured. It was evident that, all non-inoculated beef fillets were contaminated through mincing with all pathogens, regardless the inoculum levels used. This observation can be used to cover knowledge gaps in risk assessments since indicates the potential of pathogen contamination and provides significant insights for the risk estimation related to cross-contamination, aiming thus to food safety enhancement.
机译:这项研究的目的是评估通过切肉机将病原体种群转移到未接种的牛柳上。在这方面,每种单核细胞增生李斯特菌的混合菌株培养物的混合物。肠沙门氏菌鼠伤寒和大肠杆菌O157:H7用于接种牛柳。测试了三种不同的初始接种量(3,5或7 log CFU / g)。接种的牛柳通过切碎机,然后,六个未接种的牛柳按顺序通过同一切碎机,无需卫生。测量每种病原体的种群。显然,所有切碎的未切成薄片的牛肉片都与所有病原体切碎而被污染,而与所使用的接种量无关。该观察结果可用于弥补风险评估中的知识空白,因为它表明了病原体污染的可能性,并为与交叉污染有关的风险评估提供了重要的见识,从而旨在提高食品安全性。

著录项

  • 来源
    《Meat Science》 |2012年第3期|p.865-869|共5页
  • 作者单位

    Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Technology, Agricultural University of Athens, lera Odos 75, Athens 1 1855, Greece,National Agricultural Research Foundation, Institute of Technology of Agricultural Products, Sofokli Venizelou 1, Lycovrissi 14123, Greece;

    Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Technology, Agricultural University of Athens, lera Odos 75, Athens 1 1855, Greece;

    Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Technology, Agricultural University of Athens, lera Odos 75, Athens 1 1855, Greece;

    Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Technology, Agricultural University of Athens, lera Odos 75, Athens 1 1855, Greece;

    Laboratory of Food Microbiology and Hygiene, Department of Food Science and Technology, Faculty of Agriculture, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece;

    Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Technology, Agricultural University of Athens, lera Odos 75, Athens 1 1855, Greece;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    beef fillets; cross-contamination; meat mincing machine; listeria monocytogenes; salmonella ser. typhimurium; escherichia coli O157:H7;

    机译:牛肉片;交叉感染;切肉机;李斯特菌;沙门氏菌鼠伤寒大肠杆菌O157:H7;

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