The cheese itself is not, but the blue specks are concentrated spots of microorganisms. Of course, all cheese requires microorganisms to create, without it, cheese would be liquid, and it'd pretty much be milk.
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Some cheeses, such as Roquefort, blue, Gorgonzola, Stilton, Brie, and Camembert, are made from dairy products in a similar manner to other cheeses. However, there is a unique step for those cheeses. Cheeses like those mentioned above are introduced to a specific type of mold (which is a type of fungus) at a specific point in their development. These molds often impart unique colors, scents, and tastes to the cheeses as they grow. If the molds are allowed to continue to grow unchecked, the cheeses may become unsafe to eat.
Yes, blue cheese is a type of cheese that is produced using cultures of the mold Penicillium. This mold gives the cheese its characteristic blue veins and tangy flavor.
Penicillium roqueforti is the specific mold used to make blue cheese. It is responsible for the blue veining and unique flavor characteristic of this type of cheese.
Cheese
No, blue cheese itself is not living. You can check if anything is living by asking yourself if it does MRS NERG: (Move, respire, be sensitive to changes such as light, need nutrition, excrete, reproduce and grow). The blue bits in blue cheese are made by moulds and bacteria, and bacteria are a living organism.
Blue cheese dressing is considered heterogeneous because it is a mixture of various ingredients that do not fully blend together to form a uniform solution. The chunks of blue cheese and other components like herbs and spices give it a non-uniform appearance and texture.
Ricotta or cottage cheeses are the fastest to grow mold because they have the most wet surfaces that mold can grow on. Bleu cheese already has mold in it. The mold is the blue part. Refer to the added link for more information.