Kelp is brown and flat. It is divided into leaves, stalks and fixators, and the fixators are in the shape of pseudoroots. The leaf is composed of epidermis, cortex and pith, and there are two longitudinal grooves running through the middle of the leaf to form the middle zone. There is a sporangium in the lower part of the leaf, which has a mucus cavity and can secrete slippery substances. The growth of kelp is mainly affected by temperature, light, nutrients and plant hormones.
In 1980s, Japanese scholars conducted a food survey on Okinawa residents, and found that life expectancy was the longest, and the proportion of children aged 1000 was the highest. The results show that the residents in this county not only eat more potatoes, beans and vegetables, but also like seaweed food such as seaweed.
Modern medical research has proved that kelp contains many nutritional and medicinal components beneficial to human health. Eating kelp can reduce blood sugar, blood lipid and cholesterol, and can effectively prevent arteriosclerosis, constipation, cancer, Alzheimer's disease and anti-aging. So, the Japanese call it kelp? Longevity dish? .
The influence of kelp
Hypotensive kelp
Kelp is usually covered with frost. Mannitol, a very valuable drug. Modern scientific research shows that mannitol has the functions of lowering blood pressure, diuresis and detumescence.
Kelp for reduce blood fat
Kelp is rich in unsaturated fatty acids and dietary fiber, which can eliminate cholesterol attached to the blood vessel wall, regulate the stomach and promote cholesterol secretion.
Hypoglycemic kelp
Kelp contains 60% fucoidan, which is an excellent dietary fiber. Diabetic patients can delay gastric emptying and food passing through the small intestine. Even if the insulin secretion decreases, the blood sugar level will not increase, thus achieving the purpose of treating diabetes.
Kelp strengthens the heart
Kelp contains a lot of polyunsaturated fatty acid EPA, which can reduce blood viscosity and arteriosclerosis. Therefore, eating kelp regularly can prevent cardiovascular diseases.
Antithrombotic kelp
Kelp is rich in kelp polysaccharide, which can reduce the concentration of total cholesterol and triglyceride in human serum. It also has anticoagulant effect and prevents thrombosis in blood vessels.
Kelp also has many biological functions such as regulating immunity, diuresis, detoxification, hair care, anticoagulation, anti-tumor, lead excretion, detoxification, anti-oxidation and so on.
Dietary taboos of kelp:
1, don't drink tea immediately after eating kelp (tea contains tannic acid), and don't eat sour fruit immediately (sour fruit contains vegetable acid). Because kelp is rich in iron, both foods can prevent the absorption of iron in the body.
2。 Patients with hyperthyroidism should not eat kelp. Because the iodine content in kelp is rich, it will aggravate the condition.
3. Pregnant women and nursing mothers should not eat more kelp. This is because iodine in kelp can enter the blood circulation of fetus and baby, leading to thyroid dysfunction.