Cholesterol

Cholesterol is also called cholesterol. A derivative of cyclopentane polyphenanthrene. Cholesterol has been found in gallstones as early as the 18th century. In 1816, chemist Benschel named this lipid-like substance cholesterol. Cholesterol is widely found in animals, especially in brain and nervous tissues, and is also high in kidney, spleen, skin, liver and bile. Its solubility is similar to that of fat. It is insoluble in water and easily soluble in solvents such as ether and chloroform. Cholesterol is an important and indispensable substance for animal tissue cells. It is not only involved in the formation of cell membranes, but also the raw material for the synthesis of bile acids, vitamin D and steroid hormones.

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