NF EN ISO 6887-2
Microbiology of food and animal feeding stuffs - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 2 : specific rules for the preparation of meat and meat products
ISO 6887-2:2003 specifies rules for the preparation of meat and meat product samples and their suspension for microbiological examination when the samples require a different preparation from the method described in ISO 6887-1. ISO 6887-1 defines the general rules for the preparation of the initial suspension and decimal dilutions for microbiological examination. ISO 6887-2:2003 only describes methods of preparation that are applicable to several microorganisms simultaneously. It excludes the preparations that only apply to the detection and/or enumeration of a single microorganism where the method of preparation is described in the relevant International Standard concerning that microorganism. ISO 6887-2:2003 is applicable to the following fresh, raw and processed meats and poultry and their products: refrigerated or frozen; cured or fermented; minced or comminuted; delicatessen meats; pre-cooked meals or poultry-based meals; dried and smoked meats at various degrees of dehydration; concentrated meat extracts. ISO 6887-2:2003 is not applicable to the following products whose microbiological examination is described in other International Standards: canned products; other products (see ISO 6887-4).
ISO 6887-2:2003 specifies rules for the preparation of meat and meat product samples and their suspension for microbiological examination when the samples require a different preparation from the method described in ISO 6887-1. ISO 6887-1 defines the general rules for the preparation of the initial suspension and decimal dilutions for microbiological examination. ISO 6887-2:2003 only describes methods of preparation that are applicable to several microorganisms simultaneously. It excludes the preparations that only apply to the detection and/or enumeration of a single microorganism where the method of preparation is described in the relevant International Standard concerning that microorganism.
ISO 6887-2:2003 is applicable to the following fresh, raw and processed meats and poultry and their products: refrigerated or frozen; cured or fermented; minced or comminuted; delicatessen meats; pre-cooked meals or poultry-based meals; dried and smoked meats at various degrees of dehydration; concentrated meat extracts.
ISO 6887-2:2003 is not applicable to the following products whose microbiological examination is described in other International Standards: canned products; other products (see ISO 6887-4).
Le présent document fait partie d'un ensemble de normes, tant de référence que de routine, applicables pour effectuer les examens et vérifier les critères microbiologiques des aliments pour l'alimentation humaine ou animale, utilisables tout autant par les producteurs pour la mise en application d'une politique de qualité, que par les organismes de contrôle pour la protection du consommateur. Cet ensemble de normes se compose de méthodes horizontales et de méthodes d'application spécifiques et complémentaires pour le contrôle microbiologique des produits. Le présent document décrit le traitement de l'échantillon pour laboratoire en vue de l'obtention de l'échantillon pour essai, pour l'analyse microbiologique des viandes et produits à base de viande.
<p>ISO 6887-2:2017 specifies rules for the preparation of meat and meat product samples and their suspension for microbiological examination when the samples require different preparation from the methods described in ISO 6887‑1. ISO 6887‑1 defines the general rules for the preparation of the initial suspension and dilutions for microbiological examination.</p> <p>ISO 6887-2:2017 excludes preparation of samples for both enumeration and detection test methods where preparation details are specified in the relevant International Standards.</p> <p>ISO 6887-2:2017 is applicable to the following fresh, raw and processed meats, poultry and game and their products:</p> <p>- refrigerated or frozen;</p> <p>- cured or fermented;</p> <p>- minced or comminuted;</p> <p>- meat preparations;</p> <p>- mechanically separated meat;</p> <p>- cooked meats;</p> <p>- dried and smoked meats at various degrees of dehydration;</p> <p>- concentrated meat extracts;</p> <p>- excision and swab samples from carcasses.</p> <p>ISO 6887-2:2017 excludes the sampling of carcasses (see ISO 17604) and preparation of samples from the primary production stage (see ISO 6887‑6).</p>
- Avant-proposiv
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1Domaine d'application 1
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2Références normatives 2
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3Termes et définitions 2
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4Principe 3
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5Diluants 3
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5.1Composants de base 3
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5.2Diluants d'emploi général 3
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5.3Diluants pour des besoins particuliers 4
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5.4Répartition et stérilisation du diluant 4
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6Appareillage 4
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7Préparation des échantillons 5
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7.1Produits congelés 5
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7.2Produits durs et secs 5
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7.3Produits liquides et non visqueux 5
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7.4Produits hétérogènes 5
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8Modes opératoires généraux 5
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8.1Généralités 5
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8.2Types d'échantillons à envoyer au laboratoire 6
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8.3Objet de l'analyse 6
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8.4Cas général des produits acides 6
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8.5Aliments à haute teneur en matière grasse (plus de 20% de matière grasse sur la masse totale) 7
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9Modes opératoires spécifiques 7
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9.1Préparation initiale des différents types d'échantillons 7
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9.2Mode opératoire pour les produits manufacturés stockés réfrigérés 8
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9.3Mode opératoire pour les viandes congelées 10
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9.4Mode opératoire pour les extraits de viande partiellement déshydratés 11
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9.5Prélèvements de surface (écouvillons et petits chiffons) 12
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10Dilutions décimales suivantes 12
- Annexe A (informative) Cadre de délimitation d'une zone de prélèvement superficiel13
- Annexe B (normative) Modalités du prélèvement sur une pièce ou un pain d'essai congelé(e)s ou surgelé(e)s14
- Bibliographie16
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