Castello cheeses Castello cheeses Castello is a brand of cheeses produced by Arla Foods amba, an agricultural marketing cooperative based in Denmark. Worldwide, a variety of cheeses are marketed under the Castello name, including semi soft cheeses, semi hard cheeses, blue cheeses, and cream cheeses. For the market of Europe, Castello markets soft ripened cheeses called Golden and White; Organic Brie; semi hard cheeses Herrgård and Prast; blue cheeses Black, Creamy Blue, Danablu, Danablu Gold, Organic Blue, Organic Mild; and a line of cream cheeses. For the market of North America, Castello markets a camembert, a brie, and several varieties of blue
Blue cheese Protetta. Blue cheeses with no protected origin name are designated simply "blue cheese". The main structure of the blue cheese comes from the aggregation of the casein. In milk, casein does not aggregate because of the outer layer of the particle, called the “hairy layer.” The hairy layer consists of κ-casein, which are strings of polypeptides that extend outward from the center of the casein micelle. The entanglement of the hairy layer between casein micelles decreases the entropy of the system because it constrains the micelles, preventing them from spreading out. Curds form, however, due to the function that the