The reason why eating fish can lower cholesterol

Cholesterol, also called bile duct alcohol. A derivative of polyphosphoric acid, whose chemical name is invader. Cholesterol was found in animals as early as18th century. Cholesterol exists widely in animals, especially in brain and nerve tissue. Rich in content, it is also high in kidney, spleen, skin, liver and bile. Its solubility is similar to that of fat. It is insoluble in water and soluble in solvents such as acetic acid and chloroform. Cholesterol is an indispensable and important substance in animal tissues and cells. It is not only involved in the formation of cell membrane, but also the raw material for the synthesis of bile acid, vitamin D and pancreatic hormone. Steroids and enzymes are also raw materials for synthesizing several important hormones and cholic acid. Eating fish can lower cholesterol. Fish is a delicacy in daily life. Rich in nutrition, containing high-quality protein, easy to digest and absorb, and the absorption rate is as high as 96%, which is better than nourishing meat. The fat content is very low, accounting for only 1-3%, so you don't have to worry about arteriosclerosis like eating fat. The international unit of vitamins per100g of fish is called Pascal. The content of marine fish can reach 3000 international units. Fish's eyesight is very beneficial. Trace elements necessary for human body, including conditions. Calcium, phosphorus, iron, etc. The content of fish is higher than freshwater fish. The health care value of fish is also commendable. For example, the golden crucian carp by the river is flat and sweet, and enters the liver and gallbladder. Has effects in invigorating spleen, stimulating appetite, eliminating edema, and promoting milk secretion. Indications: edema, yellow leaves, chest pain, chronic cough and galactorrhea. Especially for pregnant women's edema, fetal movement anxiety, postpartum lactation and so on. It has obvious effect. Eskimos living in the Arctic Circle, their ancestors are cold-resistant and snow-resistant. Fishing and hunting make a living, and fish and fish are the staple foods of local people. According to the general idea, such rich animal protein and fat (the fat intake of marine fish and fish-eating animals is much higher, which are 1 1% and 19% respectively) are prone to coronary heart disease and arteriosclerosis if eaten all the year round; On the contrary, the incidence of coronary heart disease in Eskimos is the lowest in the world, and there are almost no diabetics. In the survey of hypertension and coronary heart disease in China and Japan, it is found that the incidence of residents in fishing areas who eat more fish is lower.