Incorporation of whey into process cheese

Details Incorporation of whey into process cheese Incorporation of whey into process cheese

A - Human Necessities

23

C

A23C 19/082 (2006.01) A23C 9/12 (2006.01) A23C 19/08 (2006.01) A23C 21/02 (2006.01)

Patent

CA 2310499

The present invention provides a process cheese product made with a cheese and dairy liquid that includes casein, whey protein, and lactose, wherein at least a portion of the casein and/or whey protein in the dairy liquid is crosslinked via y-carboxyl-.epsilon.-amino crosslinks prior to being combined with the cheese, and wherein the lactose in the process cheese product remains dissolved in the aqueous phase upon storage. According to the invention, this product is provided by a process that includes the important step of contacting the dairy liquid with a transglutaminase for a time, and under conditions, sufficient to crosslink at least a portion of the casein and/or whey protein to provide crosslinked protein conjugates in the dairy liquid. The invention furthermore provides the process for making the process cheese product. Advantageously, the process permits replacing part of the cheese proteins with the crosslinked proteins of the dairy liquid. Additionally, crystallization of lactose in the process cheese product is significantly inhibited such that lactose levels higher than commonly introduced in cheese products may be employed in the process cheese of the invention.

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