Whey preparation obtained by cavitation and uses thereof

Abstract

The present invention relates to a process for microparticulating of an ideal whey protein in a solution. The present invention relates also to microparticulated ideal whey protein preparation. In addition, the present invention relates to use of the microparticulated ideal whey protein preparation in milk based products and/or dairy products. Further, the present invention relates to a milk based product and/or a dairy product containing a microparticulated whey protein preparation.

1 . A microparticulated ideal whey protein preparation, comprising microparticulated whey proteins and β-lactoglobulin polymers having a size of >200 kDa, wherein the microparticulated ideal whey protein preparation is a microfiltration permeate obtained from microfiltration of a milk raw material, or a concentrated form of the microfiltration permeate. 
     
     
         2 . The microparticulated ideal whey protein preparation according to  claim 1 , wherein the microparticulated ideal whey protein preparation is produced by:
 providing an ideal whey protein preparation,   providing a cavitator,   optionally preheating the ideal whey protein preparation,   treating the optionally preheated ideal whey protein preparation with the cavitator for providing the microparticulated ideal whey protein preparation.   
     
     
         3 . The microparticulated ideal whey protein preparation according to  claim 1 , wherein the denaturation level of β-lactoglobulin in the preparation is in the range of 90-95%. 
     
     
         4 . The microparticulated ideal whey protein preparation according to  claim 1 , wherein the viscosity of the preparation is in the range of about 200 to 4000 mPas. 
     
     
         5 . The microparticulated ideal whey protein preparation according to  claim 1 , wherein the preparation contains microparticulated whey proteins having a particle size of about 1-200 μm. 
     
     
         6 . The microparticulated ideal whey protein preparation according to  claim 5 , wherein the preparation contains microparticulated whey proteins having a particle size of about 1-10 μm. 
     
     
         7 . The microparticulated ideal whey protein preparation according to  claim 1 , wherein the polymerization level of β-lactoglobulin in the preparation is at least 30%. 
     
     
         8 . The microparticulated ideal whey protein preparation according to  claim 1 , containing β-lactoglobulin about 5.0 to about 8.0 g/100 g. 
     
     
         9 . The microparticulated ideal whey protein preparation according to  claim 1 , containing α-lactalbumin at most about 2.0 g/100 g. 
     
     
         10 . The microparticulated ideal whey protein preparation according to  claim 1 , containing β-lactoglobulin, α-lactalbumin and casein in a ratio of 0.7/0.23/0.07. 
     
     
         11 . The microparticulated ideal whey protein preparation according to  claim 1 , containing β-lactoglobulin, α-lactalbumin and casein in a ratio of 0.9/0.03/0.07. 
     
     
         12 . The microparticulated ideal whey protein preparation according to  claim 1 , wherein the preparation has a pH in the range of 6.5-7. 
     
     
         13 . A dairy product comprising the microparticulated ideal whey protein preparation according to  claim 1 . 
     
     
         14 . The dairy product of  claim 13 , wherein the dairy product is an acidified dairy product. 
     
     
         15 . The product according to  claim 13 , wherein the amount of the microparticulated ideal whey protein preparation in the dairy product is in the range of 10 to 50% or 20 to 30% based on the weight of the product.