Rhizomucor miehei (also: Mucor miehei ) is a species of fungus. It is commercially used to produce enzymes which can be used to produce a microbial rennet to curd milk and produce cheese.
Under experimental conditions, this species grows particularly well at temperatures between 24 and 55ðC, and their growth becomes negligible below 21ðC or above 57ðC.
It is also used to produce lipases for interesterification of fats.