4 to 5 days.

Soaked kelp can be stored in the refrigerator for about 4 to 5 days, put in the refrigerator to pay attention to the preservation method, the kelp to control the dry water sealed with plastic wrap, isolated from the air, so as to avoid stringing flavor and breeding bacteria. But it is recommended to eat as soon as possible to prevent seaweed spoilage, the longer the time, the more unfavorable health. In addition, when eating kelp, you can add a little shrimp in the kelp, the two mixed can give full play to the nutritional value of the kelp in the treatment of high blood pressure has a better effect.

Eating kelp attention

Can not be long-term kelp as a staple food, which will be too much iodine intake, will have an impact on health. And kelp contains a certain amount of arsenic, excessive intake of arsenic can cause poisoning. Thus, before consuming kelp, it should be rinsed with water first, so that arsenic dissolves in water.

Kelp can not be soaked for a long time: kelp should not be soaked for a long time before eating. General soak 6 hours on the line, because the soaking time is too long, the nutrients in the kelp, such as water-soluble vitamins, inorganic salts, etc. will also be dissolved in water, the nutritional value will decline. If the kelp is soaked in water like boiled with no resistance, it is now metamorphosis can not be consumed.

The above content reference? Baidu encyclopedia - kelp, people's network - kelp can not be soaked for a long time to eat kelp health with more nutritious