Blue cheese of blue veins. The distinctive flavor and aroma of blue cheese arises from methyl ketones (including 2-pentanone, 2-heptanone, and 2-nonanone) which are a metabolic product of "Penicillium roqueforti". These compounds are not formed in other types of cheese fermented by bacterial acidification alone. In the European Union, many blue cheeses, such as Cabrales, Danablu, Gorgonzola, Roquefort and Blue Stilton, carry a protected designation of origin, meaning they can bear the name only if they have been made in a particular region. Similarly, individual countries have protections of their own such as France's Appellation d'Origine Contrôlée and Italy's Denominazione di Origine
Parrano cheese Parrano cheese Parrano cheese is a cow milk cheese produced in the Netherlands. It tastes mild and nutty, combining salty and sweet flavours. It has a semi-firm texture and a smooth, golden coloured paste. Made from pasteurized milk, Parrano is produced in wheels and is aged for 5 months. Combining the flavour of aged parmesan with a pliant texture, Parrano is marketed as an Italian-style cheese. Taglines have included "The Dutch cheese that thinks it’s Italian" and "Sort of Italian." However, Parrano is technically Gouda cheese although its flavour is more pronounced than that of traditional Gouda. Parrano is a