Base de gélose à l'urée

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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Base de gélose à l'urée

La base de gélose à l'urée est utilisée avec de l'agar pour détecter l'activité uréase des entérobactéries . Ce milieu légèrement tamponné contient de l'urée et du rouge de phénol comme indicateur de pH. L'activité uréase alcalinise le milieu, produisant ainsi une variation de couleur du jaune pâle au rose-rouge. La gélatine peptone favorise la croissance rapide des micro-organismes entériques à Gram négatif, réduisant ainsi le temps d'incubation. Chez les organismes qui hydrolysent lentement l'urée, le dextrose stimule l'activité uréase. L'agar est l'agent gélifiant. Trois formats sont disponibles : 500 g, 2 kg et 10 kg.

Littérature supplémentaire :

Fiche de données de sécurité U21-102

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