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
Whitestone Cheese well-known of which is Whitestone Windsor Blue. Other varieties made include Waitaki Camembert, Whitestone Farmhouse, Whitestone Brie, Mt Domet Double Cream Brie, Moeraki Bay Blue, Highland Blue, Totara Tasty, Manuka Feta, and four sheep's milk cheeses (notably Monte Cristo). Three goat's milk cheeses are also made: Parson's Rock, Duntroon and Danseys Pass. Whitestone Cheese Whitestone Cheese is one of the New Zealand South Island's leading cheese companies. The company is based in Oamaru, and takes its name from the limestone known as Oamaru stone which is quarried locally. The cheese is made with no artificial additives and milk from local