Caption: Cheddar cheese surface. Shown here is a fractured surface of a piece of cheddar cheese. Also seen are small yeast cells contaminating this piece of cheese. Cheddar cheese is a hard cheese prepared from cow's milk by process called cheddaring, a method originally from Cheddar in Somerset, England. Cheddaring involves the curd / solids (from coagulated milk) being allowed to settle and form a dense hard layer. Cheddaring refers to an additional step in the production of Cheddar-style cheese where, after heating, the curd is kneaded with salt, then is cut into cubes to drain the whey, then stacked and turned. Cheeses are a good source of calcium, but contain high levels of fat. Cheese is high in cholesterol content, a near insoluble sterol (fat) found in animal fat & tissue. A high intake of dietary cholesterol is associated with atheroma, a condition where the walls of the arteries are blocked by deposits of fatty plaques. Blood circulation is restricted, which may lead to thrombosis.
Magnification*: x535
Type: SEM
Copyright 2010 Dennis Kunkel Microscopy, Inc.
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