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Contaminants and Errors01:16

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Effective sample preparation is crucial for accurate and reliable laboratory analysis. During this process, two significant sources of error can arise: concentration bias from improper sample splitting and contamination caused by methods used to reduce particle size, such as grinding or homogenization. Identifying and minimizing these potential errors is crucial to ensuring the validity of the analysis.
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Oral Transmission of Listeria monocytogenes in Mice via Ingestion of Contaminated Food
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Food Contaminants - Viruses.

Edward P Larkin1

  • 1Virology Branch, Division of Microbiology, Food and Drug Administration, 1090 Tusculum Avenue, Cincinnati, Ohio 45226.

Journal of Food Protection
|March 7, 2019
PubMed
Summary

Viruses can contaminate foods like meat, milk, and eggs. Enhanced detection methods are improving our understanding of foodborne viruses and public health risks. Washing and heating food helps prevent viral ingestion.

Area of Science:

  • Food safety
  • Virology
  • Public health

Background:

  • Viruses have been detected in various foods, including meats, milk, and eggs.
  • Previous methodologies were often limited, potentially missing a wider range of viruses.
  • Increasingly sensitive methods are enabling broader detection of foodborne viruses.

Purpose of the Study:

  • To investigate the incidence and public health significance of viral contamination in foods.
  • To assess the limitations of existing methods for detecting foodborne viruses.
  • To understand the role of emerging detection techniques in food safety.

Main Methods:

  • Review of existing studies on virus detection in food.
  • Application of increasingly sensitive molecular detection methods.

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  • Analysis of data to determine viral incidence in food products.

    • Main Results:

    • A limited number of viruses have been confirmed in food items.
    • Animal viruses have been identified in meats, milk, and eggs.
    • Methodological limitations may have previously underestimated viral presence.

    Conclusions:

    • Enhanced detection methods are crucial for accurately assessing food contamination by viruses.
    • Further research is needed to determine the full public health impact of foodborne viruses.
    • Washing and cooking foods to at least 70°C are recommended preventive measures against viral consumption.