Casein

Casein ( “kay-seen”, from Latin caseus, “cheese”) is a family of related phosphoproteins (αS1, αS2, β, κ). These proteins are commonly found in mammalian milk, comprising c. 80% of the proteins in cow’s milk and between 20% and 45% of the proteins in human milk. Casein has a wide variety of uses, from being a major component of cheese, to use as a food additive. The most common form of casein is sodium caseinate.
As a food source, casein supplies amino acids, carbohydrates, and two essential elements, calcium and phosphorus.

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