There are parasites.

Seaweed can be eaten directly, it is best to wash it before eating. Seaweed is a small shrimp or dried shrimp, usually put some in the soup to refresh the soup.

Seafood is a seafood, usually after the dregs peeling, drying and drying and other steps to complete. It's a good idea to open the package to look clean, but in fact there may be a lot of bacteria on it, so it's best to wash it in boiling water before eating it.

Nutritional value:

Seaweed is rich in nutrients, rich in calcium, phosphorus and other trace elements beneficial to the human body, is the human body to obtain a better source of calcium, calcium-containing food is also relatively more dairy products and eggs. Seaweed protein content is very high, more than 55%, protein content is also high in dairy products and a variety of beans and so on. So seaweed is also a good food.

Reference: Baidu Encyclopedia-Sea Rice