What nutrients does fish contain? Fish is a very important food. Fish contains many rich substances, which can not only supplement trace elements, but also be a good food for many dieters. So what nutrients do fish contain?

What nutrients does this fish contain? 1 Fish has high nutritional value. Fish can supplement protein, fatty acids, vitamin A, vitamin D and other nutrients.

1, protein

Protein content of fish is relatively rich, about 15%-25%. The composition of essential amino acids in protein is very close to that of human protein, and it belongs to high-quality protein, in which methionine and lysine are rich in content and have high nutritional value.

The protein structure of fish is soft, and the muscle fiber of fish is short, which is easy to digest and absorb. It can replenish abundant protein for the body and improve the immunity of the body.

2. Fatty acids

Fish contains less saturated fatty acids and lower relative total fat. Deep-sea fish also contain eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), both of which have obvious effects of reducing blood lipid and preventing atherosclerosis.

3. vitamin a and vitamin d.

Fish is rich in vitamin A and vitamin D, and it is also a good source of vitamin B2. Proper consumption has obvious effects on bone metabolism and vision maintenance. "

What nutrients does fish contain? 2 1, fish contains folic acid, vitamin B2, vitamin B 12 and other vitamins. Has the effects of nourishing stomach, promoting diuresis, relieving swelling, promoting lactation, clearing away heat and toxic materials, and relieving cough and asthma. It is effective for edema, edema, abdominal distension, oliguria, jaundice, galactorrhea, etc.

2. Eating fish has a good effect on fetal movement and pregnancy edema of pregnant women;

3. Fish is rich in magnesium, which has a good protective effect on the cardiovascular system and is conducive to preventing cardiovascular diseases such as hypertension and myocardial infarction;

4. Fish is rich in vitamin A, iron, calcium and phosphorus. Eating fish often also has the effects of nourishing liver and blood, nourishing skin and caring hair.

5. Rich in whole protein. Fish contains a lot of protein, such as yellow croaker17,6%, hairtail 18, 1%, mackerel 2 1, 4%, silver carp18,6% and carp/.

Protein contained in fish is completely protein, and the quantity and proportion of essential amino acids contained in protein are most suitable for human needs and are easily digested and absorbed by human body.

6. Low fat content, mostly unsaturated fatty acids. The fat content of fish is generally low, and most of them are only 1%-4%. For example, yellow croaker contains 0,8%, hairtail contains 3,8%, mackerel contains 4%, silver carp contains 4,3%, carp contains 5%, and crucian carp contains 65,438+0 and 65,438+0%.

The fat of fish is mostly composed of unsaturated fatty acids, and the carbon chain of unsaturated fatty acids is long, which can lower cholesterol.

7. The content of inorganic salts and vitamins is high. Marine fish and freshwater fish are rich in sulfur and also contain inorganic salts such as phosphorus, calcium and iron. Fish also contains a lot of vitamin A, vitamin D, vitamin B 1 and nicotinic acid. These are all nutrients that the human body needs.

In addition, the muscle fiber of fish is relatively short, the protein tissue structure is loose, and the water content is relatively high. Therefore, the meat is tender, more tender than the meat of livestock and poultry, and easier to digest and absorb.

It can be seen that fish has the advantages of high protein, low fat, rich in vitamins and minerals, good taste and easy digestion and absorption.

What nutrients does fish contain? Fish is rich in protein, which can be reflected from the freshness of fish. The freshness of food mainly comes from protein, and protein is the source of food taste. Fish protein is different from meat protein. protein of fish is easy to digest and absorb, and it is a good source of protein for human body.

Fish is rich in iron, calcium, phosphorus and other substances. Eating fish often helps to replenish blood and nourish the liver, and is rich in magnesium, which has a good protective effect on the cardiovascular system and is conducive to preventing cardiovascular diseases such as hypertension and myocardial infarction. Phosphorus is also helpful for brain development.

Fish contains folic acid, B vitamins and other vitamins. Vitamins are essential nutrients for human metabolism. Vitamins play a very important role in the growth of people, especially teenagers.

Third, fish has many health functions, such as protecting the stomach and nourishing the liver and kidney. Fish has good nutritional value. People who often eat fish have obvious health effects. Fish is suitable for all ages, and the effect and efficacy are good.

Extended data:

1, grass carp: warming the middle energizes the deficiency.

Grass carp is sweet, warm and non-toxic, and enters the liver and stomach meridians; It has the effects of warming stomach, regulating middle energizer, calming liver, suppressing yang, and expelling wind. It can be eaten by ordinary people, and is especially suitable for patients with fatigue, headache due to wind deficiency, hypertension due to hyperactivity of liver yang, headache and cardiovascular diseases.

Grass carp is rich in unsaturated fatty acids, which is beneficial to blood circulation and is a good food for cardiovascular patients. Grass carp is rich in selenium, which has anti-aging and beauty effects if eaten regularly. For people with weak body and poor appetite, grass and fish are tender but not greasy, which can stimulate appetite and nourish.

2, squid: nourishing and moisturizing

From the nutritional point of view, squid is rich in calcium, phosphorus, iron and various amino acids needed by human body, and also contains a lot of high-quality fatty acids and high-quality protein, with extremely low fat content and high nutritional value, but squid has high cholesterol content.

Therefore, patients with hypertension, hypercholesterolemia, arteriosclerosis and fatty liver should eat in moderation and should not overeat. However, squid is also a kind of hair, and people suffering from eczema, urticaria and allergies to seafood should avoid eating it.

3, loach: Buzhong Yiqi

Misgurnus anguillicaudatus has medicinal value, and has the effects of tonifying middle energizer, tonifying kidney and producing sperm. Misgurnus anguillicaudatus is rich in spermidine and nucleoside, which can increase skin elasticity and moisture, and improve the body's antiviral ability.

Misgurnus anguillicaudatus is suitable for people with weak body, weak spleen and stomach and night sweats, and is very beneficial to the treatment of acute icteric hepatitis. Misgurnus anguillicaudatus may carry parasites and should not be eaten raw, but stewed.

4, bass: nourishing yin and moistening dryness

The fishing season of bass in autumn is around 10. The bass produced at this time is full of meat and rich in nutrition, which is most suitable for people to supplement. After a whole summer of high temperature, the residual heat in autumn still exists, and at this time, due to the weak yin in the body, there will be the phenomenon of "autumn dryness" caused by insufficient yin.

In autumn, the key point of moistening dryness is nourishing yin. Perch is sweet in taste and flat in nature, and enters liver, spleen and kidney meridians. Perch can nourish liver and kidney, strengthen spleen and stomach, eliminate phlegm and relieve cough, and has a good nourishing effect on people with liver and kidney deficiency, and can also treat fetal movement and postpartum hypogalactia. It also has a very good nourishing effect on people with spleen and stomach weakness and indigestion.

Pregnant women should pay attention to supplement copper-containing food in their daily diet. Perch is the best aquatic nourishing food, which also confirms the anti-abortion effect of perch mentioned in Dietotherapy Materia Medica.

5, hairtail: nourishing liver and enriching blood

Eating hairtail often has the effects of nourishing liver and blood, moistening skin and caring hair. Although the fat content of hairtail is higher than that of common fish, it is mostly unsaturated fatty acid, which has the function of lowering cholesterol. Hairtail is rich in magnesium, which can protect cardiovascular and cerebrovascular systems and prevent diseases such as hypertension. Hairtail is suitable for people with chronic diseases, weak body, shortness of breath and dry skin.

There are many cooking methods of hairtail, among which steaming, stewing, frying and sweet and sour are the most popular. However, it should be noted that you should not eat more at a time, especially those suffering from allergic skin diseases such as eczema and urticaria.