Why does meat smell bad? What is the reason why pork smells

If it is pork that will taste, it is mainly because of the quality of pork, because the quality of pork is divided into three, six, nine and so on, that is, fresh pork, frozen pork, and long-term frozen pork. Fresh pork is slaughtered and sold directly, and it is also really good pork, but frozen pork is a little inferior, because these frozen pork are not sold out in time and have to be frozen, and it is also slightly better pork, as for the last long-term frozen pork, it is really defective pork.

There are many reasons, perhaps because at room temperature, bacteria are active and multiply quickly, and some bacteria are mainly anaerobic respiratory, and anaerobic respiration bacteria will produce odorous gas when they are metabolized, so the meat will stink, and after being put in the refrigerator, the bacterial reproduction rate will be greatly reduced, so it will not stink. It may also be that the refrigerator smells and contaminates the meat, the meat is decomposed by bacteria, and with the decomposition of the protein, sulfide is produced, the smell of sulfide is very smelly, and the smell is too much and vomiting and other toxic reactions. So everyone should be careful both when buying and when eating.

To eliminate the odor in the refrigerator, you can use a special deodorant, or you can use some items that are readily available in life to achieve the purpose of deodorization, you may wish to try.

Wrap some tea leaves in gauze and put them in the refrigerator, the tea leaves can be dehumidified and deodorized, and after about a month they are taken out and dried in the sun, they can also be used repeatedly. After eating the oranges, wash and dry the fresh orange peel and put it in all corners of the refrigerator to eliminate the odor and leave the orange fragrance. Or cut a few slices of lemon and put them in the layers of the refrigerator, which also has a good deodorization effect.

This is the oil odor produced by fat, which is caused by ammonia, the normal metabolism of pigs will decompose some proteins, and the protein will produce water, carbon dioxide and ammonia after complete decomposition and exist in the muscles, ammonia is mainly collected through the blood, filtered by the kidneys, and the urine is excreted from the body.

If it is shiny and elastic when pressed, it is fresh meat; If the meat is not firm and the color is not fresh, the fat contained in the meat will not taste good no matter how cooked it, and once the fat is oxidized, it is easy to cause stomach discomfort. Pork spoils three times faster than beef and should be kept with special care.

In fact, stinky pork is mainly male pork. Boar meat smells like a toilet in many people, and this smell comes from the high concentration in the boar's bodyAndrosteneone(androstenone) andSkatosin（skatole）。

Androstenone is a male hormone that smells like urine. When the boar grows into adulthood, it produces a lot of androsteneone, and there is a strong smell of androstenone in the drooling (which is also found in human saliva). Sows have much less androsteneone in their bodies, but not completely absent.

As the name suggests, skatin is a substance that smells of poop. In general, mammals have skatin in their intestines, and pigs are no exception. Skatomin in pigs is mainly produced in the large intestine, where bacteria break down tryptophan into skatosin.

Some people like to eat pig intestines, which may be a mouthful of good manure odorin.

Why does meat smell is mainly due to the deterioration of meat and the breeding of bacteria.

Meat will have a foul smell, and the main raw meat is left outside, which will lead to spoilage over time. It will have a smell, and normal meat does not have any smell, but there is a fishy smell. So the meat that has a stinky smell, it belongs to the spoiled one.

The reason why meat smells bad is because bacteria enter after a long time, and after the bacteria multiply, the meat will be decomposed before it emits a rotten smell.

The reason why meat smells bad is because there is a mucous membrane on the surface of meat, and once it comes into contact with air for a long time, this mucous membrane will deteriorate and produce a foul smell, so meat will have this smell.

If the pork has a pungent smell, it may be that you have bought second-grade or spoiled pork. Fresh pork has the normal smell of fresh pork and has a fresh taste. Sub-fresh pork can smell a slight ammonia, sour or musty smell on the surface of the meat, but not in the deeper layers of the meat.

Spoiled pork: Spoiled meat has a rancid smell both on the surface and in the deep layers of the meat.

Dear, are you talking about freshly bought meat or meat that has been sitting for a long time? If it is freshly bought meat, it smells bad. You have to look to see if there is other meat next to the fresh meat, it smells too long and stinks, so you mistakenly think that the meat you bought stinks.

Because after the meat is spoiled and rotted, it will spoil, and after the meat is spoiled, bacteria will be produced, and it will produce peculiar smells and foul smells.

If meat is left in the air for a long time, the proteins in it will denature, and some lipids will come into contact with microorganisms. That's why it stinks.

Why does meat smell bad, it is true that some raw meat will smell after being left for a long time, this is because the blood in it will oxidize and deteriorate for a long time when it encounters the air.

Why does meat smell bad, meat can't be stored outside for too long, improper storage of meat will breed bacteria, easy to spoil, and it will become stinky.

Fresh pork should have a fishy smell, and if it smells, it means that there are two reasons:1Left for a long time, it deteriorated. It is pork that has been chemically treated. In this case, it is recommended not to buy it.

If there is a foul smell, there are two reasons:1Left for a long time, it deteriorated. 2.It is meat that has been chemically treated. In this case, it is recommended not to eat it.

The meat itself smells of blood. And the smell of blood is more appealing to animals, plants and insects. and even bacterial growth. So it's easy to corrupt. Produces foul odors.

Because the meat is relatively new, especially some herbivores, their blood is relatively new, so it will smell more stinky.

The main component of meat is protein, which contains nitrogen and sulfur, which are broken down by microorganisms and produce a foul smell.

If the meat smells bad, it means that it is expired and spoiled, or there are some phenomena such as corruption, which is absolutely not edible at this time, which will affect our health.

Reason 1: The problem of pork itself.

In fact, pork itself has a fishy smell, and people who eat meat often will not notice it if they don't smell it carefully, but if you are a vegetarian, you can smell the fishy smell of pork at once. But the taste of pork is not all the same, which often causes a difference.

The first is the breed of pork. For example, local pork will smell better than other types of pigs, and feed pigs, as I said before, feed feeding, scale cultivation, scientific management, raised to 4-5 months before slaughter, such pork of course can not smell good, so the smell is very fishy.

The second is that the customer buys sick pork. If the pork is sick before it is slaughtered, it is difficult for the vendor to find it, and such pork is called sick pork. Although there is nothing wrong with this kind of pork on the surface, you can smell a big fishy smell when you blanch it.

The third type is breeding pigs, which are used to breed the next generation of pigs that are not handled in a standardized manner, and will be sold by illegal traders. The smell of this pig is not ordinary smell, and the degree is far more than that of normal pork.

Reason 2: Customer's taste.

If you ask a long-time vegetarian to smell it, this is probably the biggest test of his life. It's like you never smoke, so someone else smoking makes you feel uncomfortable. One reason is that a vegetarian for many years will be particularly sensitive to the smell of meat, and he can smell the fishy smell of meat one meter away from the meat.

Some people will not eat pork because of their religious beliefs, and eat beef, and such people will also be particularly sensitive to the fishy smell of pork.

Secondly, there are people who have poor physical fitness, such as poor appetite. His sensitivity to pork will also increase, which is often one of the reasons why the patient has no appetite and cannot eat.

Reason 3: Post-processing issues.

Here has been solved in front of the pork will smell bad when you take it home, here I will tell you what is the reason why you still feel stinky if you eat it.

Obviously, post-processing issues are a big part of it. The pork should be cleaned before being bought and cooked, that is, the blood in the raw pork should be disposed of, otherwise even if there is more seasoning, you can still eat the fishy smell in one bite.

Then it may be that the pork is simply soaked in water in the early stage, so that most of the blood can only be disposed of, and there will still be residues in the pork, at this time it is necessary to blanch, and the foam floating on the surface after blanching is the residual blood water, so that after processing, most of the fishy smell of pork is disposed of.

It is also possible that the seasonings are placed indiscriminately during the cooking process, because it is not that the more seasonings you put the better, or you can put whichever you like. I had a mistake when I made soup before, which caused my soup to be very bitter, which is an adverse reaction of meat and seasonings.

Fresh pork should have a fishy smell, and if it smells, it means that there are two reasons:1Left for a long time, it deteriorated. 2.It is pork that has been chemically treated. In this case, it is recommended not to buy it. Here's how to get rid of the fishy smell:

Find a pot and fill it with cold water. Rinse the raw pork lightly and place it on the stove. **, turn on the fire to the smallest until it is so small that it is extinguished, and then wait for half an hour (the time depends on the size of the pot, the principle is that the fire should be small, and the water should not steam).

After half an hour, you will notice that the whole pot of water is red (bloody) and has a layer of impurities (lymph) floating on it, which smells very bad. But the meat is still raw, and the water is only warm.

Drain the water, rinse with warm water and knead the pork so that the pork is fishy.

The pork may have a bad taste, because there are already bacteria multiplying in it, even if you remove the taste with seasonings, and the high temperature eliminates the bacteria, but the pork that has been eroded by bacteria will no longer have the same nutrition and cleanliness as before! If the taste is not obvious, it can still be eaten. However, it is better to eat fresh.

Fresh meat has a normal meat taste, while various amines, indoles, acids, ketones and other substances in spoiled meat produce a distinct rancid odor due to the decomposition of proteins, fats and carbohydrates by microorganisms.

What happens to spoiled meat?

After the meat spoils, microorganisms multiply and produce metabolites such as botulinum toxin, which damage the body's nerves and cause muscle stiffness and paralysis. Other metabolites can also cause acute poisoning, and those who eat it can have nausea, vomiting, diarrhea, abdominal pain, dizziness and other symptoms, and in severe cases, coma may occur, and even die of heart failure.

How long does meat last in the fridge.

Boiled meat can be kept fresh for 5 days in the refrigerator and 2 to 3 weeks in the refrigerator, in addition, it should be packed well when refrigerated, and it is better to soak the meat in the gravy, otherwise the moisture in the meat will disappear and it will become dry and hard.

As long as the temperature is right, microorganisms will grow and multiply and break down nutrients in food to meet their own needs. At this time, the protein in the food is destroyed, and the food will emit a foul and sour taste, lose its original toughness and elasticity, and the color will also change. 2.

The role of enzymes. There are many enzymes in animal food, and under the action of enzymes, the nutrients of the food are broken down into a variety of lower products. The rice and fruit rot that we usually see are because the carbohydrates are broken down by enzymes and fermented.

3.Chemical reactions in food. Fats are easily oxidized, resulting in a series of chemical reactions, and the oxidized fats have a strange smell, such as fat meat will turn from white to yellow.

The smell of pork is due to the spoilage caused by poor storage.

What to do if the pork tastes.

1. Blanching is a good way to reduce rancid smell. Note that the meat should be blanched in cold water, not hot or boiling water, otherwise the odor will be fixed in the meat. Add a little salt when blanching, and after the meat is cooked thoroughly, scoop up the meat, and then rinse it with water to remove most of the odor.

2. Salt treatment is also a good way to remove the rancid smell of meat. Untreated lightly odored meat can be removed by first marinating it with a large amount of salt for three or four hours, then soaking it in concentrated salt water for one hour, and then soaking it in water for another hour. For blanched meat, you can soak it in salt water for about half an hour, and finally soak it in clean water for another half hour.

3. Wine washing can also remove rancid odors. Use liquor with a relatively high degree to scrub the meat repeatedly, if it is a little extravagant, soak it in liquor, and if you save a little, you can also use liquor to scrub with water. After scrubbing with wine, brew with water for about 15 minutes.

4. White vinegar is also a good thing to remove the rancid smell of meat. For untreated meat, you can use white vinegar mixed with water to scrub, and finally soak in water for about 15 minutes. You can also use the method of vinegar water hot river to deodorize, the specific method is the usual cooking of blanching, but the white vinegar is mixed with water to blanch, note that it is cold blanching.

5. Sour fruits are also a good thing for deodorization. Find sour fruits such as sour lemon and star fruit, you can beat them into a pulp, mix them with some water, then scrub the meat, and then soak them in water for 15 minutes; You can also slice the sour fruit, add it to the pot, add water, and cold blanch the meat.

6. Orange peel, lemon peel or lemon leaf can also be deodorized, and lemon leaf has the best effect. Put the lemon leaves in the pot, add cold water, then pour the meat into the pot and cook thoroughly, and finally scoop up the meat and soak it in water for about half an hour.