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Can oysters be steamed directly without opening?

oysters can be steamed directly if they are not opened. If they are not opened for 5 minutes, it proves that these oysters are of poor quality or dead.

1. Oyster (scientific name: oyster) is another name of oyster, which belongs to a kind of bivalve clams of mollusca, also known as oyster yellow, oyster white, oyster seed, green oyster, oyster, oyster clam and oyster clam. Oysters grow in warm and tropical oceans, and are most famous for their production along the coast of France. Oysters are tender in meat, with outstanding umami flavor, fishy smell and unique taste. It can be boiled in soup, marinated, roasted and soft-fried, canned, or processed into oyster sauce or dried oyster sauce.

2. Oysters belong to the family Ostreaceae? Ostrea animal oyster Ostrea gigastnub and its related animals are all marine shells. Subtropical and tropical coastal areas are suitable for oyster breeding. China is widely distributed, and oysters can be produced along the coast from Yalu River in the north to Hainan Island in the south. Oysters are soft-shelled, parasitic animals, especially those produced at the junction of salt and fresh water. The traditional artificial oyster culture area in China is called oyster pond or oyster pond. Stone oysters are born with stones; Bamboo oysters are inserted into the bamboo beach as floating fields, also known as oyster ponds.

3. Oyster meat contains zinc, a trace element that can promote children's intelligence, so it is also known as educational seafood. In addition, children with weak constitution, hilar lymph node tuberculosis, cervical lymph node tuberculosis or rickets should eat oysters at their discretion.

Reference: Baidu Encyclopedia "Oyster" webpage link.