Gélose MRS Lactobacilli

Taille

500g

500 g (en gros)

2 kg

2 kg (vente en gros)

10 kg

10 kg (vente en gros)

Prix

Quantité

Paiements sécurisés

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Gélose MRS Lactobacilli

La gélose MRS pour lactobacilles, également appelée gélose MRS pour lactobacilles ou gélose LMRS, est un milieu gélosé utilisé pour l'isolement sélectif et le dénombrement des lactobacilles provenant de diverses sources, notamment les matières fécales et les produits laitiers. La protéose peptone, l'extrait de bœuf et l'extrait de levure fournissent des sources d'azote, des glucides, des vitamines et des minéraux. Le dextrose est le principal glucide fermentescible. L'acétate de sodium et le citrate d'ammonium servent à la fois d'agents sélectifs et de sources d'énergie. Le phosphate de potassium agit comme tampon de pH, tandis que les sulfates de magnésium et de manganèse fournissent les cations essentiels au métabolisme bactérien. Le Tween 80 est un tensioactif qui facilite l'absorption des nutriments par les lactobacilles . L'agar est l'agent gélifiant. Trois formats sont disponibles : 500 g, 2 kg et 10 kg.

PRÉPARATION : Mélanger 70 grammes de milieu dans un litre d’eau purifiée jusqu’à obtenir une dispersion homogène. Chauffer en remuant plusieurs fois jusqu’à ébullition pour dissoudre complètement. Répartir et autoclaver à 121 °C pendant 15 minutes.

Littérature supplémentaire :

Informations sur le produit L12-103

Fiche de données de sécurité L12-103

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