Oysters are actually a kind of common seafood. We should all eat oysters. Now oysters are common foods on the table. Especially near the sea, oysters may be eaten more often. So what is an oyster? What are the functions and effects of oysters? Let's look at the following with Xiaobian!
What is oyster?
The oyster (ostreagigastnunb) and its close relatives are all marine shells. The subtropical and tropical coastal areas are suitable for aquaculture. Our country has a wide distribution. It starts from the Yalu River in the north and Hainan Island in the south.
The clams are soft, shelly, and depend on parasitized animals. The brackish and fresh water junctions are particularly fertile. Mollusks have two shells, one small and flat, the other large and bulging, the surface of the shell is uneven. When meat is eaten, it can also be used to make oyster sauce. Meat, shells, and oil can be used as medicine, also called oysters or sea lice.
Main components
Contains 80% to 95% of calcium carbonate, calcium phosphate and calcium sulfate, and contains magnesium, aluminum, silicon and iron oxide, etc. Oyster calcinates carbonate after decomposition, resulting in calcium oxide and so on. Oyster original animal glycogen, taurine, 10 essential amino acids, glutathione, vitamin A, B1.B2.D, inorganic substances such as copper, zinc, manganese, barium, phosphorus and calcium, etc. The most abundant leucine, arginine, and citrulline are among the most abundant marine species ever discovered by humans.
China's Guangdong, Fujian Taiwan more breeding. The meat is delicious and rich in protein, fat and glycogen. It can be eaten fresh or cooked. Can also be processed into oysters or oyster sauce. The shell can be used as medicine, but lime can also be burned.
nutrient content
Teach you to understand the oyster nutrient composition table, can be seen from the table on the left oysters cholesterol, calcium, iron, phosphorus, magnesium, manganese, sodium, zinc, selenium, copper, vitamin B2 compared with similar foods above average The nutrient content of oysters and the role of various nutrients are illustrated in the diagram. Oysters are rich in protein, zinc, omega 3 fatty acids and tyrosine, and have low cholesterol levels. The extremely high zinc content helps improve male reproductive function.
note
Only oysters have twice the daily zinc requirement. If the oyster is not fresh, it can easily cause food poisoning.
Precautions
Oysters, also known as "milk in the sea". It is rich in large amounts of protein and zinc that the body lacks. Eating oysters prevents dry skin, promotes skin metabolism, and decomposes melanin. It is a rare beauty product. However, the U.S. Food and Drug Administration (FDA) believes that raw oysters are the highest risk foods.
Because it contains two highly destructive pathogens: Norovirus and Vibrio cholerae. Norovirus may cause gastroenteritis. Vibrio cholerae can cause high fever, septic shock, skin blister blisters, and even fatal sepsis. ""
Oyster identification
Identification points The main characteristics of Oyster Oyster, Oyster Oyster, and Dalian Bay Oyster are: long oysters are long strips with a length of up to 35 cm. The scales are thick and layered and hard. The cross section is white and slightly salty. Mostly round or oval, scales were shaped like a ring, layers stacked; Dalian Bay oysters are like a triangle, the scales were slightly wavy. The three shapes are very different and easier to distinguish.
What are the oysters We all know? Oysters taste very good, but we should still pay attention to seafood or should be appropriate to eat, in addition to taste good oysters are also very effective and effective, so we need to understand the specific effects of oysters.
The function and effect of oysters
Chinese medicine practitioners believe that the main effects of oysters include convergence, yang, antiperspirant, astringent, phlegm, and softness. Treatment of epilepsy, dizziness, spontaneous sweating, night sweats, nocturnal emission, turbidity, uterine bleeding, vaginal discharge, hernia, hernia. For convulsions and insomnia, dizziness, tinnitus, nucleus, hemorrhoids block, spontaneous sweating, spermatorrhea collapse, stomach pain pantothenic acid. In more general language, oysters have the following seven main functions:
The role of oysters
1, strong liver detoxification
Oyster's liver glycogen exists and stores energy in the liver and muscles, and has a deep relationship with cell division, regeneration, and activation of red blood cells. It can improve liver function, restore fatigue, and increase physical strength. Taurine, which is contained in oysters, promotes bile secretion, removes neutral fat that accumulates in the liver, and increases liver detoxification.
2, improve sexual function
Oysters contain a large amount of arginine, which is indispensable for the production of sperm, and lead in trace elements. Arginine is the main component of sperm production, and sublead promotes the secretion of hormones. Special attention should be paid to the fact that every time a man ejaculates, he loses 1 to 2 mg of lead. If sub-lead is insufficient, sperm count will decrease, and sexual function will decline. In addition, selenium is also an essential trace element for the manufacture of sperm.
3, congestion purification
The very viscous, hard-to-flow blood is known as congestion in Chinese medicine and is the root cause of all diseases. Low liver function can cause congestion and high cholesterol in the blood. Taurine can promote the decomposition of cholesterol in the liver, and then excretion increases, and blood cholesterol levels decrease. From the above, it can be seen that oysters of oysters have a good preventive effect on arteriosclerosis caused by congestion, and consequent symptoms of narrow heart disease, myocardial infarction, and cerebral infarction.
4, restore fatigue
When tired body (lactic acid) accumulates in the body, it feels tired. The energy source of glucose produces lactic acid after burning, causing shoulder pain, muscle pain, and headaches. All organs of blood flow produce lactic acid, and all lactic acid is processed by the liver. Therefore, whether the liver is healthy is very important for the human body.
5, nourishing beauty
Ancient Chinese medicine books record that oysters can increase women's blood and nourish their beauty. Because oysters contain iron and copper, they are the most effective treatment for female-specific iron-deficiency anemia.
Oysters contain a large amount of lead, which is absent in most people. Therefore, eating oysters can prevent the skin from drying out, promote skin metabolism, decompose melanin under the skin, and produce delicate skin that is boring. Because it can promote the formation and secretion of hormones, it is also very good for physiological disorders, infertility, menopause disorders, etc.
Eating oysters can be cosmetic We don't understand very well. The original oysters have this effect. We need to understand the function and function of oysters. If we don't want melanin to pile on the face, try oysters.
6, improve immunity
Oysters are called 'milk in the sea' and are rich in very good proteins, liver glycogen, vitamins and minerals. They contain more than eighteen kinds of amino acids. These amino acids are rich in glutathione which can synthesize antioxidants. Amino acids (valley amino acids, sugar gums). After eating oysters, glutathione is synthesized in the human body to remove active acids in the body, improve immunity and inhibit aging. At the same time, lead can not only inhibit cell aging, but also promote metabolism.
7, promote metabolism
Cold hands and feet often feel cold, especially in winter, even into the nest, hands and feet are difficult to warm up, then even sleep can not sleep well. Oysters contain amino acids, lead and other minerals and vitamins, will improve the blood circulation, the female enemy, cold blood pressure and hypotension will also be improved.
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