Preservation of rennet producing Rhizomucor miehei strain

Summary Different methods are compared for the preservation of a Rhizomucor miehei strain used for the production of rennet, which is used in the dairy industry. The best method was found to be preservation under mineral oil, After 2 years of storage, R. miehei kept its original milk clotting activity, had a lowered non-specific proteolytic activity and therefore a higher specific activity.