C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 1/04 (2006.01) C12N 1/20 (2006.01)
Patent
CA 2546838
A lyophilization medium for a microorganism is provided wherein the medium is substantially free of animal-derived products and comprises yeast extract and monosodium glutamate. The lyophilisation medium can be used for cryoprotection of strains of bacteria such as Corynebacterium diphtheriae. Method for preparing a freeze-dried culture of a microorganism using the lyophilization medium, and lyophiles of microorganisms are also provided.
La présente invention concerne un milieu de lyophilisation conçu pour un micro-organisme, ledit milieu ne contenant sensiblement aucun produit dérivé d'animaux et comportant un extrait de levure et du glutamate de monosodium. Ce milieu de lyophilisation peut être utilisé pour la cryo-protection de souches de bactéries du type <i>Corynebacterium diphtheriae</i>. L'invention se rapporte également à un procédé de préparation d'une culture lyophilisée d'un micro-organisme au moyen de ce milieu de lyophilisation, ainsi qu'à des espèces lyophiles de micro-organismes.
Sanofi Pasteur Limited
Yacoob Reza K.
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