1, shelled oysters as long as cleaned is can be cooked directly.

2, oysters are a high protein, low fat, easy to digest food, nutritious, rich in glycine and liver glycogen, but also contains a variety of vitamins and taurine and calcium, iron, phosphorus, zinc and other nutrients. Oysters in the shell directly boiled and will not destroy the nutrients in the oysters, but after the oysters are cooked, the shell will be opened, and the nutrients may be lost part of the soup to the soup, and people who like to drink the soup can directly do boiled oysters, generally oysters with shells than without shells boiled time to be longer.