Kelp is rich in nutrients, especially minerals. Every100g of kelp contains 24 mg of iodine. Iodine is the main component of thyroxine, an important hormone in human body. Thyroxine can regulate the biological oxidation rate of human body and affect the growth and development and the metabolism of various nutrients. Fetuses and adolescents need enough iodine to maintain the differentiation of organs and tissues and the development of the brain.

Every 100g kelp also contains 1 177mg calcium and 8.2g protein. Protein contains 18 kinds of amino acids, but the fat content is less, only 0. 1 g per 100 g. In addition, it also contains a lot of crude fiber, carbohydrates, carotene, vitamins such as B 1 B2, more than a dozen minerals such as phosphorus and fluorine, and abundant mannitol.

Kelp is also rich in iron and can be used as an auxiliary food to treat anemia.

Kelp contains a lot of alginate, which is a sticky substance in kelp. It is a soluble dietary fiber, which can be combined with cholesterol in food and excreted. Has the effects of lowering blood sugar, reducing blood fat, resisting hunger, reducing weight, relaxing bowels, resisting virus and detoxicating, and improving disease resistance. Alginate can also remove carcinogens and radioactive pollution.

What nutrients does kelp contain?

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What does kelp contain?

1. Source and distribution

Kelp, also known as kelp and seaweed, is a perennial submerged herb of Daye family. It has a simple structure and leaves, and there is no difference among roots, stems and leaves, but the chlorophyll of cells can be used for photosynthesis. It is cultivated in Liaoning, Shandong and Zhejiang coastal areas of China.

2. Nutritional components

Kelp contains a lot of general nutrients such as water, protein, crude fiber, fat, carbohydrate, calcium, phosphorus, iron, vitamin B 1, vitamin B2, vitamin C, as well as special nutrients such as alginic acid, kelp polysaccharide, mannitol, galactan, kelp polysaccharide, laminin, glutamic acid, carotene, iodine and various trace elements.

3. Cooking methods

There are many cooking methods of kelp, such as kelp stewed ribs, kelp roasted meat, kelp silk, kelp soup, cold kelp silk and so on. It can be harvested in spring, summer and autumn, and it is dry in the shade, neat and fat without impurities. Sometimes soaked in warm water, softened, washed and cooked.

4. Health care and medicinal effects

Chinese medicine regards kelp as a good medicine, and it was used as medicine for the first time in Tao Hongjing's Bielu of Famous Doctors in the Southern Dynasties. Cold, salty, non-toxic, into the spleen and stomach. It has the effects of resolving hard mass, eliminating phlegm, relieving asthma, promoting diuresis, supporting fat and lowering blood pressure. It is most suitable for patients with carbuncle, scrofula, phlegm-heat cough and asthma, edema and hypertension. "Materia Medica Classic" says that "salty can be soft and firm, its nature is warm and moist, and cold can clear away heat and dissipate stagnation, so it is the main cause of twelve kinds of edema, mass of qi and fistula". Dongyuan said, "If you are as hard as a stone, you can't get rid of it. Just being salty can make you both soft and hard. " In ancient times, there were many prescriptions for kelp, such as Cui Shi Haiding Powder, Sanyinfang Pojie Powder, seaweed and jade pot soup in Zong Yi Jinjian, seaweed wine in Elbow Queen, and pill for eliminating scrofula in Selected Doctors. If you take 60 grams of kelp, often cold or cooked, you can treat hypertension and coronary heart disease. Boiled with pork to treat goiter, tuberculosis and cough. Take kelp and add japonica rice and mung bean to cook porridge, which can be used for wet, toxic and itchy skin. If decocted with fennel, it can cure testicular swelling and pain.

Kelp is rich in iodine, which can be used to correct thyroid insufficiency caused by long-term deficiency, reduce the swollen thyroid body, promote the absorption of inflammatory exudates, and make pathological tissues collapse and dissolve. Sodium alginate in kelp can prevent leukemia and bone pain, stop bleeding and reduce the absorption of radioactive elements in intestine. Fucoidan has the effect of lowering blood pressure. In recent years, Japanese scientists soaked kelp in water at 60 degrees Celsius, then concentrated the exudate and gave it to patients with hypertension, with good results. Mannitol is a kelp precipitate, which can be made into a specific drug for coronary heart disease. Mannitol is an osmotic diuretic. Once it enters the human body, it will reduce intracranial pressure and intraocular pressure, and relieve brain edema and edema. It is a good diet for patients with hypertension, edema and dysuria.

Eating kelp regularly can also prevent cancer. For example, calcium and carotene help to eliminate the influence of cells on the gastrointestinal tract. Animal experiments show that Hua 'ai Dan or decoction has inhibitory effect on Ehrlich ascites cancer. For example, the incidence of breast cancer in Japan is very low, and the survival time is longer than that in Europe and America: Eskimos eat a lot of high-fat foods, but the incidence of breast cancer is not high. This is related to the fact that the former eats kelp the most in the world, and the latter is used to eating kelp, because experiments have found that kelp can selectively filter out carcinogens such as strontium and cadmium, and at the same time, the fiber contained in kelp is not easy to be digested, which increases the amount of stool after eating, so that some carcinogens in the intestine can be quickly excreted.

5. Dietary taboos

Although kelp is nutritious and delicious, it contains a certain amount of arsenic, which can easily lead to chronic poisoning, so it needs to be washed with water before eating to dissolve arsenic in water. Usually, the arsenic content in water can reach the food hygiene standard after soaking for one day and one night. Because kelp is cold and slippery, it is not suitable for people with deficiency cold.

6. Diet prescription

(1) Winter Melon, Kelp and Douban Soup: First, soak 60 grams of kelp in warm water for 2 hours, then wash and shred; Peel wax gourd 1000g, remove pulp, and cut into small pieces for later use. Stir-fry kelp and watercress 60g together in a plain oil pan, then add appropriate amount of water and cook until watercress is cooked. Put the chopped and washed wax gourd and fine salt into the pot, add appropriate amount of water and cook until the wax gourd is cooked. Eat soup and watercress. 1-2 times a day 1 bowl each time. It should be taken for about 5 days. Suitable for summer heat, polydipsia and hyperhidrosis.

(2) Cold kelp silk: 250g of soaked kelp is washed, scalded with boiling water, fished out and cut into filaments, and put into a plate. Add 100g soy sauce, salt, sugar, monosodium glutamate, sesame oil and Jiang Mo to the dish, add a little sesame oil and mix well, and it will serve ... >>

What trace elements are contained in kelp?

Seaweed: The content of protein, minerals and vitamins in seaweed is high, and the content of polyunsaturated fatty acids beneficial to the development of baby's nervous system is 49.7%. Generally, supermarkets sell small bags of seaweed slices. Mom can shred seaweed slices and sprinkle them on steamed eggs as an ornament, which is delicious and nutritious. Slice and shred seaweed and mix it in rice, which the baby likes to eat, or sprinkle seaweed in the soup for the baby to drink and feel the taste of seaweed soup.

Kelp: Kelp is rich in minerals (about calcium1100 mg, iron 2 16 mg and iodine 24 mg per100 g) and also contains a lot of cellulose. Kelp contains sodium alginate, which can prevent leukemia and bone cancer. There are three kinds of common kelp: salt-dried, light-dried and wet kelp (such as kelp silk). Salt-dried or light-dried kelp should be soaked in water before cooking, because the arsenic content in kelp is high, which can reach 35~50 mg per kilogram. Rinse with water to dissolve arsenic in water, then soak it for 12~24 hours, and change the water frequently to reduce the arsenic content to the safety standard. Kelp is not easy to soften during cooking, but it is easy to soften with vinegar.

Shrimp skin: Shrimp skin is a very small shrimp. Shrimp skin is extremely nutritious, and protein content is very high. Every 100g shrimp skin contains about 1700 mg of calcium, which is a good source of calcium in food. Shrimp skin is also rich in trace elements and vitamins such as potassium, iodine, iron and phosphorus. Shrimp skin is cheap and widely used. It can be used as soup, fried food and seasoning. Shrimp skin tofu, shrimp skin rape, shrimp skin leek, shrimp skin shallot and shrimp skin radish soup in home cooking are all delicious dishes, which are suitable for babies and the whole family to eat together.

What nutrients are contained in kelp?

According to experts' analysis, kelp contains more than 40 kinds of effective components. The main components are laminarin, ammonium alginate, mannitol, vitamins, amino acids and various macro and trace elements.

I. Essential nutrients

Every 1 00g of dried kelp contains 8 or 2g of protein, 0 or1g of fat and 56 or 2g of carbohydrate, which can provide about 258kcal of heat energy for human body and belongs to heat energy food.

Two. dietary fibre

Every 100g of dried kelp contains 9 kinds of dietary fiber. 8 grams, dietary fiber has a unique nutritional effect on the human body. It can promote gastrointestinal peristalsis, increase the secretion of digestive juice, reduce the absorption of harmful substances, integrate cholesterol, reduce cholesterol absorption, and prevent hypercholesterolemia and arteriosclerosis.

Three. Minerals and trace elements

Kelp contains many minerals and trace elements. Every100g of dried kelp contains potassium 4. 36 grams, calcium 2. 25 grams, phosphorus 0. 2 1 g, iron 0. 15g, iodine 0. 34 grams, in addition to containing a large number of trace elements such as strontium, titanium, vanadium, manganese, zinc, cobalt and copper. Kelp is the only iodine source in China, and iodine for industry and medicine in China mainly depends on kelp iodine production industry.

Four. vitamin

Kelp is rich in vitamins. Such as vitamin a, vitamin d, vitamin c, VB 1. VB2 .VB5, VB6, VB 12, vitamin E, vitamin K, etc. If the drying method is proper, the high vitamin content of kelp can be guaranteed not to be destroyed. Compared with other seaweeds, the contents of VB 1, VB6 and VC in kelp are relatively high. Regular consumption of kelp can supplement the vitamins needed by the human body and prevent vitamin deficiency.

What are the advantages and disadvantages of eating more kelp?

Kelp is rich in nutrition and contains many trace elements such as iodine and zinc. This is good for health, especially for pregnant women. However, it grows in the sea after all. Now the seawater pollution is quite serious. Seafood is usually high in heavy metals. Eating too much can lead to symptoms such as heavy metal poisoning, such as painful diseases. But then again, no food is really safe now, and proper consumption is good for your health.

What is the function of kelp and who is suitable for it?

From the point of view of nutrition, kelp is really a rare magical food. It contains almost no fat and calories and little vitamins, but it is rich in minerals (inorganic substances), such as calcium, sodium, magnesium, potassium, phosphorus, sulfur, iron and zinc, as well as thiamine, riboflavin, selenium and other indispensable nutrients for human body. Therapeutic effect-food: kelp has the functions of lowering blood pressure, reducing blood fat, accelerating cholesterol metabolism and excretion, lowering serum cholesterol and preventing arteriosclerosis. Kelp contains a lot of iodine. Iodine can * * pituitary gland, reduce female estrogen level, restore normal ovarian function, regulate endocrine and eliminate hidden dangers of mammary gland hyperplasia. Iodine is the main raw material for the synthesis of thyroxine in the body, and the luster of hair is formed by the action of thyroxine in the body. Therefore, eating kelp often has a special effect on moisturizing hair. Kelp is rich in anti-cancer star-selenium, which has anti-cancer effect. Kelp juice can be used in beauty beauty. Bathing in soup made of kelp can moisturize the skin and make it fresh, smooth and bright. Kelp colloid can promote the excretion of radioactive substances in the body with stool, thus reducing the accumulation of radioactive substances in the human body and reducing the incidence of radioactive diseases. It can also selectively filter out carcinogenic heavy metals such as strontium and cadmium, and reduce the risk of cancer. There is a layer of "white frost" on the surface of kelp, which is mannitol. Mannitol is a powerful diuretic, which is very effective in reducing intracranial pressure and intraocular pressure and relieving edema and brain edema. Diet should be taboo: every meal 15-20g. The daily intake of pregnant women and lactating women should not exceed 20g at most. Patients with energy deficiency, deficiency of both qi and blood, ascites due to liver cirrhosis and neurasthenia are especially suitable for eating. There are many ways to eat kelp, such as cooking soup, stir-frying or cold salad. Because kelp contains fucoidan, it is not easy to cook. If bundles of dried kelp are opened, steamed in a steamer for half an hour, and then soaked in clear water overnight, it will become crisp and soft. Because the water quality in the world is polluted now, kelp is likely to contain arsenic, so it should be soaked in clean water for 2-3 hours before cooking, and changed to 1-2 times in the middle. However, the soaking time should not be too long, not more than 6 hours at most, so as to avoid excessive loss of water-soluble nutrients. Kelp cold, spleen and stomach deficiency cold, loose stool phlegm is not suitable for eating, hyperthyroidism patients are not suitable for eating. It is not advisable to drink tea or eat sour fruit immediately after eating kelp. Pregnant women and lactating women should not eat more kelp, because iodine in kelp can enter the fetus (baby) with blood circulation, causing thyroid dysfunction in the fetus (baby). Health care recipes: ◆ seaweed soup and seaweed soup. Used for scrofula. ◆ Kelp and winter melon soup 50 grams of kelp and 250 grams of winter melon, boiled soup. Used for edema. ◆ Braised pork, kelp and pork, stewed with seasoning. Used for the wind of goose web.

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Benefits of kelp

Kelp is a kind of vegetable with high nutritional value and has certain medicinal value. It is rich in mineral elements such as iodine. Kelp is low in calories, moderate in protein content and rich in minerals. It is found that kelp has many biological functions, such as lowering blood fat, lowering blood sugar, regulating immunity, anticoagulation, anti-tumor, lead excretion, detoxification, anti-oxidation and so on.

Radiation resistance

The extract of kelp has anti-radiation effect because it inhibits immune cell apoptosis.

military affairs

Kelp-has anti-submarine function in modern war.

General Zhang said in CCTV's "New Defense Watch" program that it is unlikely that American nuclear submarines will enter the Yellow Sea. The water in the Yellow Sea is too shallow, only more than 50 meters. When the submarine walks underwater, people carry kelp, and the nylon rope is thick and easy to be twisted.

Slimming effect

Kelp, also known as Chinese cabbage, is a kind of bath that grows on rocks at the bottom of the sea and is mostly cultivated in coastal areas. Kelp contains a lot of nutrients, it is rich in minerals such as potassium and iodine, and it is very nutritious to human body. Kelp can actually lose weight.

Hairdressing function

The withering and brilliance of a person's hair reflects the nutritional status of the human body to some extent. In addition to the hair changes caused by physiological aging, it is generally believed that the hair is thick, dark and shiny, indicating that the nutritional status is good; On the contrary, sparse, yellow and dull hair, and a large number of shedding and breaking are all manifestations of malnutrition. Besides energy, protein and vitamins, there is another factor related to hair-trace elements.

Yellow hair is mainly caused by acidosis, and white hair is mainly caused by the development of acidosis. People's physical strength and energy are too tired, they eat too much sweets, and protein, especially iodine deficiency, will contribute to acidosis.

Prevent premature senility

Kelp is rich in calcium and iodine, which contributes to the synthesis of thyroxine. The combination of these two elements can not only beautify the face, but also delay aging.

Strengthening brain and nourishing brain

Kelp contains taurine, which plays a very important role in children's brain development and growth. The brown surface of kelp also contains a kind of glutamic acid which can promote children's development, and its content is 30 times higher than that of cod liver oil, which can strengthen and replenish the brain and help children develop healthily.

Gastrointestinal "scavenger"

Kelp is rich in cellulose, which can remove intestinal wastes and toxins in time, so it can effectively prevent rectal cancer and constipation.

What's with kelp?

Nutritional value of kelp;

1, kelp is rich in carbohydrates and less in protein and fat.

2. Compared with spinach and rape, kelp contains several to dozens times of crude protein, sugar, calcium and iron besides vitamin C. ..

3. Kelp is a kind of seaweed with high iodine content. Generally, cultured kelp contains 3% ~ 5% iodine, and as much as 7% ~ 10%.

Second, efficacy: the impact on disease and health.

1, a layer of hoarfrost white powder-mannitol is often attached to kelp, which is a valuable medicinal substance. Modern scientific research has proved that mannitol has the functions of lowering blood pressure, diuresis and detumescence.

2. Kelp contains a lot of polyunsaturated fatty acid EPA, which can reduce blood viscosity and vascular sclerosis. Therefore, eating kelp regularly can prevent cardiovascular diseases.

3. The iodine in kelp is extremely rich, which is the main raw material for the synthesis of thyroxine in the body. The luster of hair is formed by the action of thyroxine in the body. Iodine can * * pituitary gland, reduce female estrogen level, restore normal ovarian function, correct endocrine disorders and eliminate hidden dangers of mammary gland hyperplasia.

4. The gum contained in kelp can promote the excretion of radioactive substances in the body with stool, thus reducing the accumulation of radioactive substances in the human body and reducing the incidence of radioactive diseases.

5. Kelp is rich in calcium, which can prevent calcium deficiency in human body.

6. "Compendium of Materia Medica" records: "Kelp can cure edematous diseases such as goiter, and it has the function of resolving phlegm and resolving hard mass." In recent years, scientists have found that eating kelp often has an effect on preventing and treating cancer.

7. Kelp contains 60% fucoidan, which is an excellent dietary fiber. After being eaten by diabetic patients, it can delay the time of gastric emptying and food passing through the small intestine. In this way, even if the insulin secretion decreases, the blood sugar content will not increase, thus achieving the purpose of treating diabetes.

8, obese people eat kelp, not only can reduce hunger, but also absorb a variety of amino acids and inorganic salts, which is an ideal satiety agent.

9. Laminin contained in kelp is a special amino acid, which has the functions of lowering blood pressure and preventing hypertension and cerebral hemorrhage.