Among the many praises, "Longevity Food" should be the highest praise for vegetables. Kelp, the kind of food that often appears on the table, has been crowned this name since ancient times. Is there anything special about it?
Kelp tastes salty, cold, and enters the liver, stomach, and kidney. It has the effect of eliminating water and eliminating water. In Li Shizhen's "Compendium of Materia Medica," it was recorded that kelp "fights water-borne diseases and causes damage to algae." Modern research shows that kelp contains carotenoids, B vitamins, and essential nutrients such as calcium and iron; kelp contains a variety of pharmacological effects. Functional factors such as kelp starch (brown algae starch), alginic acid (alginic acid), laminarin, algine, fucoidan, laminin, and the like. With the deepening of scientific research, it was found that kelp has a wide range of pharmacological activities.
Prevention of iodine deficiency goiter. Iodine is a raw material for the synthesis of thyroxine, and iodine deficiency can cause thyroid tissue enlargement and enlargement. Kelp is rich in iodine, which helps prevent iodine-deprivated goiter.
Antitumor. The laminaria polysaccharides in kelp can kill tumor cells by activating macrophages, inhibit tumor cell proliferation, and also inhibit tumor growth by inhibiting tumor angiogenesis, and can also directly inhibit tumor growth.
Anticoagulant. Fucoidan and fucoidan in kelp have anticoagulant effects.
Buck. The antihypertensive effect of kelp may be related to the laminin and taurine it contains. Hypertensive patients can eat kelp.
Lowering lipids. In the intestine, kelp is able to carry the fat in the chyme out of the body, so it has a good lipid-lowering effect.
Hypoglycemic. Fucoidan in kelp is a good dietary fiber. After eating kelp, it can delay gastric emptying and food passage through the small intestine and help control blood sugar.
Improve immunity. Kelp polysaccharides are an immunomodulator. Studies have shown that Laminaria japonica promotes immune function in normal and immunocompromised mice.
Radiation resistance. The active substances in kelp can prevent the absorption of various radioactive elements and harmful heavy metals, or generate insoluble compounds and excrete them.
Kelp can be eaten in a variety of ways. It can be boiled with cold water, or it can be fried for a short time or used for soup.
Beware of four things when eating kelp
Kelp can not be soaked for a long time: do not soak for a long time before eating kelp. Generally soaked for about 6 hours on the line, because the soaking time is too long, the nutrients in seaweed, such as water-soluble vitamins, inorganic salts, etc. will also be dissolved in water, the nutritional value will be reduced. If seaweed is boiled like water after soaking in water, it means that it has deteriorated and can no longer be eaten. Chinese medicine believes that kelp is cold, and those with spleen and stomach deficiency should not eat.
Don't eat kelp as a staple food: You cannot use seaweed as a staple food for a long time. This can lead to excessive intake of iodine, which can affect your health. Moreover, a certain amount of arsenic is contained in kelp, and excessive intake of arsenic can cause poisoning. Therefore, before eating kelp, rinse with water to dissolve arsenic.
Do not drink tea or eat fruit immediately after eating seaweed: Do not drink tea immediately after eating kelp (tea contains tannic acid), and do not eat sour fruits immediately (sour fruits contain plant acids). Because kelp is rich in iron, both of these foods will hinder the absorption of iron in the body.
Special people should eat seaweed with caution: Patients with hyperthyroidism should not eat kelp, because the content of iodine in kelp is more abundant and will worsen the condition; pregnant women and nursing mothers should not eat more kelp. This is because the iodine in kelp can enter the fetus and infants with the blood circulation, causing thyroid dysfunction.
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