Oysters can't be eaten in the shell, but the meat can be eaten.
Oysters, have two shells, one small and flat, the other large and bulging, the surface of the shell is uneven. The meat is for consumption and can be extracted to make oyster oil. The meat, shell, and oil are all used in medicine.
The protein contained in the oyster has a variety of excellent amino acids, can remove toxic substances in the body, where the amino ethanesulfonic acid and has the effect of lowering the concentration of blood cholesterol, so you can prevent arteriosclerosis; oysters also contain vitamin B12, with active hematopoietic function of the role.
Expanded
Oyster distribution areas: subtropical and tropical coasts are suitable for oyster farming, China has a wide distribution, from the Yalu River in the north to the south to Hainan Island, the coasts can produce oysters. Oysters are soft shelled, dependent parasitic animals, fresh and salt water junction is particularly fertile. China's traditional artificial oyster farming area called oyster pond or oyster pond. Stone oysters attached to the stone and live; bamboo oysters are inserted into the bamboo seashore for the floating field, also known as oyster ponds.
Oyster dietary value: approved by the Ministry of Health, China has included oysters in the first batch of both medicinal herbs and can be used as food for health care products.
At present, scientific researchers use advanced testing methods, oyster composition for a comprehensive analysis, found that oyster meat protein content of up to 45% to 56%, fat 7% to 16%, liver sugar 19% to 38%, in addition, also contains a variety of vitamins, as well as niacin, carbohydrates and calcium, zinc, iron, iodine and other nutrients.
Baidu Encyclopedia - Oysters