Patent No. 5,925,398

Issued: July 20, 1999

Inventor: Syed S.H. Rizvi, Ithaca, NY; Archna Shukla, Bloomington, MN; Jaruk Srikiatden, Bangkok, Thailand

Assignee: Cornell Research Foundation, 20 Thornwood Drive, Ithaca, NY

A method of making processed Mozzarella cheese that does not require any aging or refrigeration during storage is disclosed herein. This is accomplished by dicing cheese curd, adding emulsifier, and thermomechanically treating in an extruder to stretch and cook the curd. Fresh processed Mozzarella cheese having functionality similar to the aged Mozzarella cheese is achieved by addition of emulsifier to soften casein and inputting sufficient mechanical energy to establish appropriate structure. Longer shelf life and storage without refrigeration is achieved by application of suitable time-temperature combination to inactivate proteolytic enzymes and microorganisms.

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