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Definition of Casein | Fitness, Health & Exercise Glossary

February 4, 2009 on 8:01 am | By Matt | In Fitness, Health & Exercise Glossary | No Comments

What is Casein? Learn the Definition of Casein Protein, Its Characteristics and Uses.

Definition of Casein

Casein (also known as “casein protein”) is a phosphoprotein found in cows milk and cheese. Casein is one of two primary proteins in dairy, the other being whey. Casein protein comprises approximately 80% of the protein in dairy and is the main protein in cheeses.

Casein coagulates in the presence of certain proteases, such as rennet and acids. In cheese making, protease enzymes in the form of rennet are added to milk, causing the casein proteins to separate from the liquid whey. The casein is then processed into cheeses.

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