With the existence of a refrigerator, the leftovers that cannot be eaten will be stored directly in the refrigerator. In particular, if the pork cannot be eaten at one time, it will be directly stored in the refrigerator or freezer, and it can be taken out again for cooking when eating.

In fact, every food has a shelf life, although the refrigerator belongs to a low temperature environment, but the storage of pork also has a limit, today to find out.

Benefits of eating pork

1. Protect eyesight

Pork is rich in vitamin A, we all know that vitamin A has a good effect on protecting vision, can promote the recovery of vision, but also helps to maintain the transparent luster of the skin, so eating pork appropriately will improve vision.

2. Improve anemia

Cysteine and heme contained in pork can promote the body's absorption of iron and iron, have the effect of replenishing blood and improving complexion, and are also rich in iron, iron is not only indispensable for the synthesis of hemoglobin, but also the most important dozen enzymes (such as cytochrome C, cytochrome oxidase, etc.) to maintain normal life activities of the human body.

3. Strong bones

Pork also contains more calcium, magnesium, phosphorus, sodium, potassium and other trace elements, of which calcium, phosphorus is a nutrient to promote bone growth, so often eat pork can strengthen bones and prevent osteoporosis.

4. Promote growth

Pork varieties are rich in protein, is one of the indispensable nutrients for our human body, the quality of protein in pork is relatively high, close to the proportion required by the human body, so as to better supplement the nutrients needed by the body and promote growth and development.

5. Enhance immunity

Immunity is the first line of defense of the human body, can resist the invasion of bacteria and viruses, usually eat pork appropriately to enhance immunity, because pork contains a lot of protein and iron, they are an important part of cells, usually appropriate consumption of pork can not only enhance immunity, but also reduce the risk of disease.

6. Nourish yin and tonify kidney

Pork is flat and sweet, with the effect of nourishing yin and tonifying kidneys, often eating pork can effectively relieve the body's feeling of dryness and heat, eliminate excess toxins and garbage in the body, improve the body's metabolic function and enhance kidney vitality.

These three parts of the pig are recommended to eat less

1. Pork loin

Pork loin is what we often call pig kidney. Many men are very fond of eating pork loin. Although pork loin tastes fishy, most people believe that eating pork loin can enhance kidney function and improve kidney deficiency. This idea is completely wrong.

Regular eating pork loin not only can not improve kidney function, but also will accumulate a large amount of cholesterol and heavy metal elements in the body, induce thrombosis and atherosclerosis, cook pork loin, in order to cover the taste of pork loin, will add a large number of seasonings, increase the burden on the body, affect blood induced hypertension, extremely detrimental to health.

2. Pigskin

Eating more pig skin is harmful, because the fat content of pig skin is very high, so long-term consumption will induce hyperlipidemia, affect the blood lipid level in the body, and increase the burden on the heart. Note that it is not recommended for people with heart disease, fatty liver, high blood pressure.

The cholesterol and fat content of pig skin is very high, and eating too much is easy to increase the cardiovascular burden, so that the blood lipid level is significantly increased. Because pig skin contains a certain amount of fat, if you eat too much, it is easy to cause symptoms such as high blood pressure and hyperlipidemia.

3. Pig large intestine

Pig intestine is a common food, I believe that many people will often eat pig intestine, such as stir-fried fat sausage, dry pot fat sausage, the main material is actually pig intestine.

The pig intestine itself does not carry toxins and will not cause harm to the human body, so most people can generally eat the pig intestine, but some unscrupulous traders will use harmful substances to clean the pig intestine, and even sell the pig intestine of sick and dead pigs.

Most of these pig intestines use flake alkali, peracetic acid, industrial pigments, etc. for cleaning and processing, eating will naturally lead to a series of adverse consequences, but this is not the harm caused by the pig intestine itself.

In addition, long-term eating of pig intestine may lead to more fat, cholesterol rise, if you eat too much into the body, after absorption into the blood vessels, it is likely to be deposited on the blood vessel wall, thereby causing narrowing of blood vessels, resulting in thinning of blood vessels and increased blood pressure, may form high blood pressure and high blood lipids, thereby causing heart disease and coronary heart disease and cerebral thrombosis.

4. Pig's neck

As we all know, this part of the pig's neck hides lymph, if the human body is uncomfortable, the lymph on the neck will be swollen, in fact, the same is true of the pig, the pig's neck has more lymph, it is easier to intercept the virus.

If you accidentally buy the part of the pig's neck when buying meat, and even contains certain toxins, then it is recommended that you be vigilant, because the toxins contained in the lymph of the pig's neck cannot be eliminated by high temperature sterilization, and the thyroid hormones contained in the pig's neck are difficult to be eliminated.

How long can pork be stored in the refrigerator? Doctor: If you exceed this time, try to throw it away

Pork is placed in the fresh-keeping room of the refrigerator, usually the temperature is 4~5 degrees, pork can be stored for 3~5 days, whether pork or vegetables, placed in the fresh-keeping room, should be eaten as soon as possible, the food is placed for too long, the nutrients will be lost, and it is easy to have the problem of deterioration and corruption.

Pork can be stored for 2~3 months when put into the freezing area, while fresh pork can only be left for one month. Once frozen meat is stored in the refrigerator for more than 6 months, be sure to throw it away quickly and do not continue to ingest. On the one hand, its color changes, gradually darkens and yellows, and on the other hand, the surface of the meat is sticky, which indicates that microbial bacteria and viruses begin to parasitize, and eating often is not conducive to good health.

The fresh pork that has just been purchased should be eaten as soon as possible, because it has not undergone a series of treatments such as sterilization, and the shelf life is short. If the color of the pork stored in the refrigerator has changed greatly, and the storage time is more than half a year, try not to eat it again, which may have a certain impact on your health.