Why do banana peels have spots, why do bananas have dark spots

If the banana is left for a long time, dark spots will appear on the epidermis, which is a natural phenomenon of aging of the epidermal tissue.

There are three main reasons for the appearance of black spots in bananas: low-temperature chilling spots caused by improper storage, drug spots caused by super-concentrated agents, and black spots caused by anthracnose (plant anthracnose has no effect on the human body). No matter how the dark spots appear, such bananas are not high-quality fruits, at least in terms of nutrient content, they will be lost and destroyed.

1. As long as the banana is kept together with the apple, it will not be long before the color of the banana will turn yellow and become ripe and delicious.

2. Bananas are best stored between 8-23 degrees Celsius, high temperature is easy to overripe and discolored, and the temperature is too low, easy to cause frostbite, so when it is hot, it is placed in a cool and ventilated place, and when it is cold, it is wrapped in newspapers and other items for preservation.

3. Bananas ripen quickly. It should be placed indoors in a cool, dry and ventilated place, and the effect of hanging in the air will be better. When storing in winter, the ambient temperature should not be lower than 11, otherwise frostbite is prone to occur.

Be careful not to refrigerate bananas in the refrigerator, otherwise the flesh will turn dark brown and taste unpleasant.

Over time, oxidation occurs, and it's like an apple you eat and it turns black when you put it there.

That's the epidermal group.

The natural phenomenon of weaving aging.

It's been left for a long time and it's ripe.

Is it OK to eat a spotted banana? Why?

Spotted bananas can be eaten, not only can they be eaten, but they also have many benefits for the human body, eating spotted bananas can inhibit anemia, high blood pressure, constipation and other diseases, and can also make people smarter.

The black spots of bananas are also a reflection of their sugar content, which is sweet but not astringent. Bananas are best yellow with black spots on the skin (commonly known as sesame burn).

The black spots of bananas have the following opinions. First of all, we should know that banana peels contain a substance called oxidase, which is easily oxidized by oxygen in the air. This substance has been trapped in the cells of the banana peel.

But when bananas are left out for a long time, so to speak, overripe, the cells shrink and crack, and oxidases react with oxygen to produce a dark-colored chemical. So, black spots on bananas are a normal sign that bananas have been aged for a long time or have ripened.

<>In addition, the black spots of bananas are also the embodiment of their sugar content, which is sweet but not astringent. Bananas are best yellow with black spots on the skin (commonly known as sesame burn). Another theory is that the black spots produced by bananas are degraded seeds because bananas are triploid and there are no seeds to grow and reproduce.

Ripe bananas can strengthen the white blood cells of the mountain eggplant, which is rich in serotonin, which helps sleep, resists sadness and anxiety, and promotes gastrointestinal peristalsis, which is the most nutritious stage. Freshly ripe bananas will have an increase in sugar content and an increase in glycemic index, so it is recommended not to eat bananas after meals.

Bananas contain sugars that are easily absorbed by the body, sufficient vitamins and minerals, suitable for eating before and after exercise, and replenish energy for the body. Eating a spotted banana every day can improve your health. You can.

On the contrary, bananas with spots are suitable for people with depression, anemia and high blood pressure, which can improve brain power, **constipation, hangover, angina, and are used for listlessness, mosquito bites, nervousness, overweight, gastric ulcers, control of sodium lead body temperature, quit smoking, lower blood pressure, neutralize, and relieve dry eyes.

The most beautiful banana is yellow and clear, with small dark brown to black spots densely covered with skin, commonly known as sesame bananas, which are the best to eat at this time, but also because the skin and flesh of the fruit are soft, not suitable for transportation, and if you don't eat it at this time, it will soon be overripe.

If you can't eat it, it may have begun to rot inside, for such bananas, you should throw them away directly, and you can't continue to eat them, because the bananas are ripe in this way, and some bacteria have entered the bananas, so it's not only bad for your health after eating.

For example, the outer skin of a banana is black, which is related to a carbon oxide contained in the epidermal cells of bananas. Usually, the cell membrane tightly wraps and protects carbon oxide, just like the human body protects flesh and bones.

Once it is bumped, or frozen at low temperatures, the cell membrane will break. The carbon oxide inside comes into contact with the oxygen in the air, and when the oxidation of oxygen turns black, some small spots naturally appear.

Bananas are a very common fruit in our lives, many people like to eat bananas, and we all know that bananas have a moisturizing effect. People who are often constipated can eat bananas regularly to relieve constipation and also prevent constipation. Bananas are rich in magnesium, which can regulate mood.

Some bananas on the market have dark spots, while some people prefer to eat bananas with black spots on the strap, thinking that bananas are not astringent and sweet.

It's just that the surface is not good, there is nothing bad inside, you can eat some appropriately, but it is best to eat fresh bananas to avoid causing diarrhea. When choosing bananas, be sure to choose fresh, smooth skin, no spots, moderate hardness, usually eat 1-2 bananas a day, don't eat too much, so as not to hurt the stomach. Banana anthrax is one of the causes of dark spots on the skin of bananas during storage.

Banana anthracnose is also known as black rot and ripe fruit rot.

Banana anthrax is a fungal disease caused by the bacterium spurtium banana. Bananas suffering from anthrax will have black spot symptoms, only after the banana is ripe, the damaged banana fruit stalk and skin will appear brown round spots, the area gradually expands and connects into large spots, after two or three days, the whole fruit will turn black or even rot, and some small spots appear on the banana peel, indicating that the banana is ripe and needs to be eaten as soon as possible. However, due to the black spots on the surface of bananas, it is not easy to preserve and is easy to rot, so pay attention to observe whether the flesh is spoiled before eating.

The tryptophan in bananas can be converted into serotonin in the body. Serotonin helps to relax the body. It contains pantothenic acid and other ingredients.

It is the body's happy hormone and can effectively reduce psychological stress. Improves mood, relieves depression, and makes people happy. The vitamin B6 in bananas can regulate blood sugar levels and relieve premenstrual symptoms.

Bananas are high in potassium and low in sodium, which regulates blood pressure well. The banana industry advertises its benefits against high blood pressure and stroke. Bananas have the effects of moistening the intestines, moistening the lungs and relieving cough, clearing heat and detoxifying, and aiding digestion and nourishment.

Eating bananas regularly can strengthen the brain. Bananas are also super tryptophan and vitamin B6**, which helps our brain produce serotonin.

It's edible, and basically it doesn't have a big impact, so don't worry too much because the nutrients aren't lost.

It is not edible, because these spots have already been lesioned, and they are no longer good, and they are very bad for the body, so it is best not to eat them.

Absolutely. Because bananas like this one are very good for the stomach and very helpful for our digestion, there are many people who like to eat such bananas very much.

OK. Generally, there is no harm, you can eat it with confidence, and it is also very healthy, you can eat it with confidence.

Introduction: We pay more attention to food safety when eating, if this thing has deteriorated, it is absolutely not edible, otherwise it will cause discomfort and cause us to get sick, but not all things with spots on them can not be used, for example, bananas and bananas are edible on the spots, and it can bring greater benefits to our body.

Everyone should know that if some fruits have spots or black spots on them, it means that they have mildew, and there are certain bacteria on them, and if you eat them, it is likely to make us sick, so everyone buys less of these foods, and then buys them after eating, so that they are fresher, but when buying bananas, they choose the kind of bananas with spots on them. Because the surface of this banana is already very ripe, it is good for our body after eating, many people must want to choose the more mature banana when picking bananas, otherwise it will feel raw and astringent when eating. Of course, this spot is a spot on the skin of a banana rather than a spot on the flesh, and if there is a spot on the fruit of a banana, it is no longer edible.

After eating a spotted banana, it can suppress symptoms such as anemia, high blood pressure, constipation, etc., and can also make people very smart. In addition to this, he can also improve the condition of our body, replenish sufficient protein, as well as carbohydrates. However, remind everyone to buy bananas in moderation, after all, this thing deteriorates relatively quickly, especially in summer, maybe it will be bad tomorrow if you buy it today, and you can put it for a while in winter, but wouldn't it be better to eat fresh, and then continue to buy after eating.

Especially this kind of spotted banana, he is already ripe, and if he doesn't eat it for a day or two after returning home, he will soon be oxidized, the taste is very bad, and it will bring some damage to our body after a long time.

It is not edible. Because the banana is spotted, it means that there is some rotten phenomenon, and it is very bad for the body after eating.

Spotted bananas are edible because only the exterior is oxidized, and if there is no black inside, they can be eaten.

If the banana has a little speck, it can be eaten, which means that the banana is ripe and has good intestinal benefits after eating.

Yes, because bananas can also have a beauty effect, and they can also promote gastrointestinal peristalsis, and can lighten the marks after eating.

I can eat it. Bananas with spots on the skin have a 8 times stronger ability to increase white blood cells than bananas with green skin. Moreover, eating bananas every day can also provide the body with enough energy, improve physical condition, and replenish sufficient protein, carbohydrates, vitamins and minerals.

Banana, a plant of the genus Plantain in the family Plantaaceae, also refers to its fruit. It is native to southeast Asia and is cultivated in Hainan, Guangdong, Guangxi and other countries. Bananas are fragrant and nutritious, and the plants are large herbs, emanating from rhizomes and forming false stems 3-6 meters high from the lower part of the leaf sheath. Leaves oblong to elliptic, 65 cm wide, 10-20 clusters at the top.

Nutritional value: resistance to disease, necessary for the maintenance of normal fertility and vision; Thiamine can resist beriberi, promote appetite, aid digestion, and protect the nervous system; Riboflavin promotes normal growth and development of the body's nervous segments. In addition to stabilizing serotonin and melatonin, bananas also contain magnesium that can relax muscles.