Method for producing a foaming agent

Details Method for producing a foaming agent Method for producing a foaming agent

C - Chemistry, Metallurgy

12

N

C12N 1/34 (2006.01) C12N 1/00 (2006.01) C12P 1/00 (2006.01)

Patent

CA 2702696

A method for producing a foaming agentis provided, the methodcomprising cultivating a host cell in a fermentation medium wherein the host cell extra- cellularly secretes a foaming agentandwherein the fermentation medium contains an antifoam which has a cloud point;and then removing the antifoam5 while the temperature of the fermentation medium is above the cloud point.

La présente invention a pour objet un procédé de production d'un agent moussant, le procédé comprenant la culture d'une cellule hôte dans un milieu de fermentation dans lequel la cellule hôte sécrète de manière extracellulaire un agent moussant, le milieu de fermentation contenant un agent anti-mousse qui possède un point de trouble ; puis l'élimination de l'agent anti-mousse lorsque la température du milieu de fermentation est supérieure au point de trouble.

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