How Is Whey Protein Made?
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Milk
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Whey protein is a derivative of milk. It is actually made up of whey and a protein called casein. In the first stage, the milk is pasteurized. In this process, the milk is heated to a high degree to kill and possible bacteria that can be harmful to humans.
Separation
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The next process that takes place is the separation of the casein and the whey. Casein is also called the curds which is seen in cottage cheese. After the curds are removed to make cheese, the liquid whey portion is then sent through filters that separate it from lactose and other non-whey ingredients.
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Purification
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The whey then goes through a purification process. This process is called ion exchange. It is a procedure that is gentle and does not break down any of the nutritional value of the whey protein.
Finish
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For the final step, the whey protein is sent into a drying tower where water is removed. It turns to powder and it is then packaged into containers and packets. It is then ready for consumption.
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