Oyster: Also known as purple oyster and oyster, it has high nutritional value and is rich in zinc, glycogen, taurine, glutathione, vitamin A, vitamin B 1, vitamin B2, vitamin D, vitamin E, fucose, copper, manganese, barium, phosphorus, calcium, magnesium, aluminum, iron oxide and organic matter. These are all necessary for the human body.

In particular, the content of zinc is unmatched by other foods. The zinc content of oysters per 100g is as high as 9.39mg, and eating one per day can meet the human body's demand for zinc. It is the best food for children to supplement zinc.

Oysters are also tenacious seafood in nature, and it is no problem to be exposed to the sun for a day or two without seawater.

If you buy it and leave it for a few days,

Then pay attention to the following points. First of all, oysters must have just landed, with a bright appearance and a strong smell of the sea.

Second, the shell is intact and the mouth is tight.

Third, the body is relatively strong, so the fatness is good.

Grasping the above points, you can store it in a room without heating for more than ten days in winter. It can be stored in the shade for four or five days in summer.

But seafood is a new word, and it is best to buy it now and eat it now.

Oysters can be eaten raw, but now the sea water is not so pure, so it is better to eat them when they are cooked.