Generally, it is better not to exceed 6 days. After cleaning, shred or slice into small bags according to each dosage, seal and freeze them, and use them when necessary, but the shelf life should not be too long, generally it is better not to exceed 6 days, and the taste of fresh products is still better.
Haima Line is distributed along the north and south coasts of China. The growth period is 4-6 months, and it is a kind of pan-warm temperate seaweed, which needs low water temperature for growth. Generally, it can be collected around the Spring Festival and begins to disappear after entering April and May. Hemp thread can be used as feed and medicine, and can also be eaten. It tastes delicious and has rich nutritional value. Besides being rich in protein and fat, it also contains a lot of sulfate, which has anticoagulant effect and is also helpful for preventing cardiovascular and cerebrovascular diseases.