1. Can kelp be eaten overnight?
Kelp can still be eaten overnight. Under normal circumstances, it is no problem. Do not belong to green leafy vegetables, you can keep them fresh in cold storage, but be careful not to leave them for too long. If the storage conditions are reasonable, it is best to eat it on the same day, so that the nutrition will not be lost and the food will not be stale.
Second, the taboo of eating kelp
1, kelp cannot be soaked for a long time.
Kelp should not be soaked for a long time before eating. Generally speaking, you can soak for about 6 hours. Because the soaking time is too long, the nutrients in kelp, such as water-soluble vitamins and inorganic salts, will also dissolve in water, thus reducing the nutritional value. If kelp is as tough as boiled for a long time, it means it has gone bad and can't be eaten any more. Chinese medicine believes that kelp is cool, and people with spleen and stomach deficiency and cold should not eat it.
2. Don't take kelp as the staple food.
Taking kelp as the staple food for a long time, too much iodine intake will also affect your health. In addition, kelp contains a certain amount of arsenic, and excessive arsenic intake will cause poisoning. Therefore, before eating kelp, please rinse with water to dissolve arsenic in water.
3. Special people should be careful to eat kelp.
Patients with hyperthyroidism should not eat kelp. The iodine content in kelp is rich, so pregnant women and nursing mothers with aggravated illness should not eat more kelp. This is because iodine in kelp can enter the fetus and baby with blood circulation, causing thyroid dysfunction.