Secondly, kelp is also rich in potassium salt and calcium, which can lower cholesterol. At the same time, the unsaturated fatty acids in kelp can remove excess lipids on the blood vessel wall, and the fibrous alginic acid contained in kelp can help expel "bad" cholesterol from the body and synthesize "good" cholesterol, so it has a good preventive effect on cardiovascular diseases. In addition, kelp also contains a variety of trace elements and a lot of dietary fiber, which can help the human body to excrete metabolic waste and improve metabolic rate.
Although both are seafood, unlike fish, shrimp and crabs, eating kelp is harmless to gout patients. Kelp is a low purine food, and purine will be further lost after boiling, so gout patients don't have to worry about this. In addition, kelp is rich in dietary fiber, which can better promote the excretion of uric acid. Kelp is good, but because it is rich in cellulose, it will bloat if you eat too much. There may also be heavy metal pollution in kelp, such as arsenic. Excessive intake can lead to poisoning. Therefore, before eating kelp, it should be washed with clear water to dissolve arsenic in the water.
One is a well-known hyperthyroidism patient. The thyroid function of hyperthyroidism patients is in an abnormal state of excitement, and eating kelp rich in iodine will aggravate the condition. Another one is pregnant. Iodine in kelp can enter the blood circulation of fetus and baby, thus affecting the thyroid function of pregnant women and babies. Therefore, pregnant women and lactating women had better control the amount of delicious kelp.
Finally, remind everyone not to soak kelp for a long time before eating kelp. If the soaking time is too long, the nutrients in kelp, such as water-soluble vitamins and inorganic salts, will also dissolve in water, reducing the nutritional value of kelp, so it is best to eat it with the soaking. If kelp is found to lack toughness after soaking in water, it means it has deteriorated and its taste will be reduced.