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    how do you recover casein from milk?

    +2  Views: 190 Answers: 1 Posted: 12 years ago

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    Casein is a protein that is found in milk, and can be extracted for use in a number of different applications. Along with use in a number of nutritional products, casein can also be utilized as an ingredient in a number of items, including resin products. The process for extracting casein from milk will vary somewhat, depending on the reason for the extraction. However, there are several elements to the extraction process that apply in just about every case.


    Extracting milk casein always begins with the refining process for whole milk. Just as whole milk goes through a process to separate the cream, the casein will also be separated by the use of filtering agents and various churning methods that allow the fat to rise to the top. Once the milk has been separated, the salt caseinate and calcium caseinate enzymes are retained in the skimmed milk. Removing the fat before attempting to extract the casein from the milk product greatly simplifies the process.


    In order to remove the casein from the skimmed milk, the product goes through a process known as precipitation. Essentially, the skimmed milk is heated under strictly controlled conditions. As the heating takes place, the casein content begins to shrink and expel moisture. The result of this action is known as whey. At the same time, this process creates milk curd that is clumped with the whey.



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