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Why is there foam when oysters are steamed?
There will be foam when steaming oysters, because there is salt in oysters and they are not cleaned. Oysters, commonly known as oysters, are also known as oyster yellow and oyster seeds. Shellfish of the genus Oyster. There are about all kinds of species in the world, and there are about all kinds of species in the coastal areas of China. At present, the main varieties of artificial breeding are oyster near the river, oyster long, oyster pleated and oyster Pacific.

Oyster is an important economic shellfish with delicious meat and rich nutrition. Every100g of meat contains protein11.3g, fat 2.3g, and rich vitamins, trace elements zinc, ash and substances for lowering serum cholesterol. Besides fresh food, it can also be frozen, canned and processed with oyster sauce and oyster sauce. Oyster meat also has certain medicinal value. Shells can burn lime.

Oyster meat is fat, tender and smooth, delicious and nutritious, and is known as "undersea milk". According to the analysis, dried oyster meat contains 45% ~ 57% protein, 7% ~ 1 1% fat and 0/9% ~ 38% glycogen. In addition, it also contains a variety of vitamins and taurine as well as nutrients such as calcium, phosphorus, iron and zinc. The calcium content is nearly twice that of milk, and the iron content is twice that of milk. It is a precious food for skin care and disease prevention.

Extended data:

The practice of oysters:

Take out the oyster shell and rinse it with salt water.

Rice is steamed neither soft nor hard, and oysters are steamed and stewed.

Put the rice in a bowl and dip it in the seasoning. Cook the rice until it is dry. Add oysters when braising, mix well with seasonings, and eat after cooking.

Oysters can be eaten in many ways. Fresh oyster meat is usually steamed, fried, fried, scrambled eggs, fried oyster cakes, skewered fresh oyster meat, soup and so on. Proper seasoning after steaming can keep the original flavor; If you eat soft fried oysters, add a little salted yellow wine to the oyster meat, then soak the oyster meat in the batter, fry until golden brown, and then dip it in oil, vinegar and other foods to eat.

When eating hot pot, you can string oyster meat on a bamboo stick, cook it in boiling soup for about a minute, and then take it out to eat. If you cook soup with ginger, the soup is as white as milk and delicious. Oyster meat can also be processed into a dry product called oyster sauce. If fresh oyster meat and oyster juice are cooked and dried or dried, it becomes oyster sauce.

References:

Baidu encyclopedia-oyster