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Casein (/ ˈ k eɪ s iː n / KAY-seen, from Latin caseus "cheese") is a family of related phosphoproteins (αS1, aS2, β, κ) that are commonly found in mammalian milk, comprising about 80% of the proteins in cow's milk and between 20% and 60% of the proteins in human milk. [1]
A platter with cheese and garnishes Cheeses in art: Still Life with Cheeses, Almonds and Pretzels, Clara Peeters, c. 1615. Cheese is a type of dairy product produced in a range of flavors, textures, and forms by coagulation of the milk protein casein. It comprises proteins and fat from milk (usually the milk of cows, buffalo, goats or sheep).
Rennet contains the enzyme chymosin which converts κ-casein to para-κ-caseinate (the main component of cheese curd, which is a salt of one fragment of the casein) and glycomacropeptide, which is lost in the cheese whey. As the curd is formed, milk fat is trapped in a casein matrix.
Ricotta (Italian:) is an Italian whey cheese made from sheep, cow, goat, or Italian water buffalo milk whey left over from the production of other cheeses.Like other whey cheeses, it is made by coagulating the proteins that remain after the casein has been used to make cheese, notably albumin and globulin.
Producing cheese curds is one of the first steps in cheesemaking; the curds are pressed and drained to varying amounts for different styles of cheese and different secondary agents (molds for blue cheeses, etc.) are introduced before the desired aging finishes the cheese. The remaining liquid, which contains only whey proteins, is the whey. In ...
This includes casein, caseinates, whey products (including whey butter and whey cream), cultured milk products (including yogurt, sour cream and cultured buttermilk), ultrafiltered milk, milk protein concentrate, milk serum proteins and fats.
It is classified as an Alpine cheese. The cheese is made in discs, each between 40 and 70 cm (16 and 28 inches) in diameter, and around 10 cm (4 inches) in height. Each disc weighs up to 50 kg (110 lb) with a fat in dry matter (FDM) around 45%. The rind is usually a dusty-brown colour, and the internal paste, pâte, is a pale creamy yellow. The ...
Casein can be resuspended by alternating the pH levels with NaOH or Ca(OH) 2, resulting in aqueous solutions of sodium caseinate or calcium caseinate. [4] Most caseinates are capable of withstanding temperatures of up to 140°C (284°F), however calcium caseinate is influenced by heat with temperatures as low as 50°C (122°F). [ 2 ]