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GB 4789.31-2013 National Food Safety Standard Food Microbiological Examination: Examination of Salmonellae, Shigellae and Diarrhoea Causative Escherichia Coli by Means of the Diagnostic Typing Phage Set for Enterobacteriaceae

  •   2 Jul 2019
  •    Rose Hong
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    • GB 4789.31-2013 National Food Safety Standard Food Microbiological Examination: Examination of Salmonellae, Shigellae and Diarrhoea Causative Escherichia Coli by Means of the Diagnostic Typing Phage Set for Enterobacteriaceae
      GB 4789.31-2013食品安全国家标准 食品微生物学检验 沙门氏菌、志贺氏菌和致泻大肠埃希氏菌 的肠杆菌科噬菌体诊断检验

    • Translated by :ChemLinked
    • Language:Bilingual (EN&CN)
    • Format:Electronic Edition (Adobe PDF)
    • Pages:46
    • Update date:2019-07-02
    • Effective Date :2019-07-02
    • Status: In force
    • Price: $292 

    Introduction

    This standard is applicable to the examination of Salmonellae, Shigellae and diarrhoea causative Escherichia coli in samples of various types of food and food-borne disease events.
    The standard is applicable to the examination of Salmonella enterica and Shigellae carried by practitioners in food industry.

    Contents

    1 Scope
    2 Apparatus and Materials
    3 Culture Media and Reagents
    4 Examination Procedures
    5 Operation Procedures

    Annex A
    Medium and Reagents
    A.1Selenite cystinol (SC) enrichment broth
    A.2 Tetrathionate brilliant green (TTB) enrichment broth
    A.3 Shigella (BCT) enrichment broth
    A.4 Nutrient broth (NB)
    A.5 Nutrient agar (NA)
    A.6 Nutrient semi-solid agar (NSA)
    A.7 Triple sugar iron agar (TSI)
    A.8 Glucose ammonium agar

    Annex B
    Methods for the sensitivity determination of enrichment broths
    B.1 Method for the sensitivity determination of Salmonella enrichment broth
    B.2 A simple method for the sensitivity determination of Salmonella enrichment broth
    B.3 Method for the sensitivity determination of Shigella enrichment broth
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