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Nutritional value of tuna sandwich
1, most of the fatty acids in fish are unsaturated fatty acids, containing complete amino acids, 8 kinds of amino acids needed by human body, vitamins, rich minerals and trace elements such as iron, potassium, calcium and iodine, which is a rare healthy food for modern people;

2. The DHA contained in tuna is the most in fish, and it is a necessary nutrient for the development of human brain and central nervous system;

3. Tuna also contains a lot of EPA, which can inhibit the rise of cholesterol and prevent arteriosclerosis, and has a special effect on the prevention and treatment of cardiovascular and cerebrovascular diseases.

1. Tuna is a healthy food for women to lose weight. Tuna meat is low in fat and calories, and also contains high-quality protein and other nutrients. Eating tuna food can not only keep slim, but also balance the nutrients needed by the body, which is an ideal choice for modern women to lose weight easily.

2. It can protect the liver and strengthen the liver function: the incidence of a series of liver diseases caused by intense life rhythm, huge work pressure and excessive fatigue is increasing day by day. Tuna is rich in DHA, EPA and taurine, which can reduce blood fat and is beneficial to the regeneration of liver cells. Regular consumption of tuna food can protect the liver, improve the excretion function of the liver and reduce the incidence of liver disease.

3. Prevention of arteriosclerosis: Arteriosclerosis is a threat to the lives of middle-aged and elderly people. Eating tuna food can reduce blood lipids, dredge blood vessels and effectively prevent arteriosclerosis.

4. Effectively reduce cholesterol content: EPA, protein and taurine in tuna have excellent cholesterol-lowering effect. If eaten regularly, it can effectively reduce the malignant cholesterol in the blood and increase the benign cholesterol, thus preventing diseases caused by high cholesterol content.

5. It can activate brain cells and promote internal activities of the brain: DHA is an unsaturated fatty acid that cannot be produced by the human body and is one of the necessary nutrients for normal activities of the brain. Tuna is rich in DHA. Regular consumption is beneficial to brain cell regeneration, memory improvement and prevention of Alzheimer's disease.

6. It can effectively prevent iron deficiency anemia: iron is an indispensable element for human body, and tuna blood is rich in iron and vitamin B 12, which is easily absorbed by human body. Regular consumption of iron can prevent anemia and can be used as an auxiliary treatment food for anemia.

7. Provide essential amino acids for human body: tuna protein is rich in amino acids. Eating tuna can not only enjoy delicious food, but also supplement amino acids through non-pharmaceutical means, which is beneficial to health.

8. It is beneficial to human metabolism, especially the ideal choice for children's food during the growing period: protein is indispensable for human tissues such as muscles, bones, skin, hair and blood. Tuna protein has incomparable efficacy with meat protein and is the best nutrition for children's natural growth.

9. Maintain the normal water standard of the human body: Regular consumption of tuna can remove excess salt in the body, balance the water content in the body and maintain the normal water index.

10 is the best companion of green vegetables: there are many ways to eat tuna, and it tastes better with green vegetables.

It is best to eat less tuna during pregnancy. Research by American scientists shows that it is best for pregnant women to control the intake of tuna, because they will damage the brain development of the fetus. Although tuna is rich in nutrition, scientists have found that some tuna contain mercury. When they exceed the safe consumption, it will damage the brain development of the fetus. About 60 thousand newborns in the United States have cognitive impairment after birth every year. The reason is that their mothers consumed too much mercury-containing tuna during pregnancy. Therefore, experts hope that the US Food and Drug Administration can formulate safe eating standards for tuna as soon as possible, and advise pregnant women and women planning to become pregnant not to eat tuna. Be sure to eat, and the weekly intake should not exceed 1-2 cans.

Children under 6 years old should choose smaller fish to eat, and avoid eating larger fish such as sharks, catfish, tuna and swordfish, because the mercury content of larger fish is much higher than that of smaller fish, and excessive mercury will directly affect the development of children's nerves and brains.