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Monthly Archives: June 2014

Cholesterol: My heart is at risk?

Cholesterol is a steroid waxy fat produced in the liver or intestine, which is used for hormone synthesis and cell membranes and transported in the blood plasma of mammals. Cholesterol is essential for all of the mammalian plasma membrane necessary for maintaining membrane permeability and fluidity component. Is also an important agent required for the production of bile acids, steroid hormones, and vitamin D. It is the principal steroid synthesized by animals, however, lower amounts are also produced in plants and fungi. Cholesterol is totally absent in prokaryotes. If its concentration in the blood increases the risk of cardiovascular diseases increases so its level must be kept under control. The word cholesterol is originally a Greek word and was discovered by François Poulletier de la Salle in gallstones in solid form in 1769, but the chemical identification was made by Eugène Chevreul in 1815 who gave the term cholesterol.