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1. Leaving it for too long.
It's just that the banana peel turns black and is completely edible. When the banana flesh is also blackened, because the blackened component is a quinone-like substance, although it has certain harm to the human body, it is relatively small.
Therefore, if there is no widespread blackening of the flesh, bananas can still be eaten. Not only that, but the blackened spots on the banana peel indicate that the banana is ripe, and this is the best time to eat it.
From the above analysis, it can be known that the blackened banana can continue to be eaten in most cases, unless the flesh of the banana has been "blackened" in a large atmosphere, indicating that it is terminally ill and can be discarded directly.
Banana consumption is contraindicated.
Not to be consumed on an empty stomach.
Magnesium affects heart function and has an inhibitory effect on the cardiovascular system. Bananas have more magnesium, and eating them on an empty stomach will destroy the balance of magnesium and calcium in the human blood, which is not conducive to good health.
2. Do not overeat.
Bananas are rich in magnesium, potassium and other elements, and eating too many bananas in a short period of time will cause a sharp increase in the content of magnesium and potassium in the blood, resulting in an imbalance in the proportion of elements and harmful to health. Eating more bananas may also greatly reduce gastric acid secretion, leading to gastrointestinal disorders and excessive mood swings.
3. Unripe bananas should not be eaten.
Unripe bananas contain a lot of tannic acid, which has a very strong astringent effect and can form dry and hard stool in the stool, causing constipation.
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The flesh inside the banana turns black because the banana is not allowed to be eaten when it goes bad. The banana is edible when the blackened part of the banana is a black line, which is formed by the seeds of the banana. Once the flesh of the banana has turned black, the blackened part can be removed and the normal part can be eaten.
1. The flesh turns black.
The inside of the banana may turn black because it has been left for too long, or it is in contact with the air after peeling, at this time, the banana reacts with the air, and the ingredients have also deteriorated, so they are not edible.
2. A black line appears.
There will be a very thin black line inside the banana itself, which is the metamorphosis of the banana seed, and if the blackened part of the banana is here, then it can be eaten.
3. How to eat.
When eating bananas, the black part of the banana appears, so you can remove the black part and eat the healthy part. If you accidentally eat the blackened part of the banana, if there is no obvious discomfort, it is recommended to drink plenty of hot water to speed up the discharge of waste products from the body. In case of diarrhea, vomiting, constipation or even food poisoning, it is advisable to go to the hospital immediately.
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I think the skin of the banana is all black, this is not very important, you have to peel the banana peel open to see the meat inside, the meat inside is pink or yellow, it should be edible.
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1. If the banana is left for too long, the outer skin of the banana will turn black, and the banana can still be eaten in this case.
2. However, if the flesh of the banana is also blackened due to the collision, the banana in this case is not edible.
3. Unripe bananas should not be eaten, and unripe bananas contain a large amount of tannic acid, which has a very strong astringent effect, which can form dry and hard feces and cause constipation.
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Blackened bananas can be eaten. The more ripe the banana, the higher its anti-cancer effect. Bananas do not abnormally increase the immunity of healthy human bodies, but they are quite helpful for the sick, the elderly and people with poor immunity, compared to unripe bananas with green skin, ripe bananas with dark spots have a 8 times higher ability to increase white blood cells.
A ripe banana a day can increase resistance!
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Whether a banana can be eaten after it has turned black is related to how dark it is. If only a small amount of the skin turns black, it can be eaten, at which point it simply means that the banana is fully ripe. However, if the flesh inside the banana also turns black, and the blackening range is large, it cannot be eaten, at this time the banana has spoiled, and it is easy to breed bacteria, which is not conducive to personal health after eating.
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If the banana is black, if it is only the skin black, the inside is a normal color, it can still be eaten, if it is also black inside, then throw it away directly, indicating that it has been completely rotten, for the sake of health, or throw it away,
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If the skin of the banana is black and the meat inside is still white, then it can be eaten normally, because the nutrients in the banana have not been destroyed, and it will not cause any effect on the body after eating. If the meat inside is also blackened, then don't eat it again.
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The skin of the fruit banana will turn black, but as long as the flesh inside is intact, it can be eaten, and it is edible without deterioration, and it is more delicious and nutritious than the jerky banana you just bought, and some bananas with black skin can play an anti-cancer role, so there is no need to worry, but you should pay attention to whether the flesh inside has deteriorated.
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Generally, when the peel of bananas is blackened, they can be eaten normally, because the nutrients in bananas have not been destroyed, and they will not cause adverse effects on the human body after eating. The blackening of the peel may be caused by the oxidation of the peel by oxygen in the air after a long storage time. Bananas can be eaten in moderation to moisten the intestines.
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If the flesh is black, the banana in this case should not be eaten, because the blackened flesh can cause diseases in the human body.
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If it's just that the skin is all black, then it's definitely fine, it might be sweeter, but don't rot, it's not good.
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If the skin is black, it can be eaten without affecting the quality of the meat at all, and it can be eaten without affecting anything.
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Look at the flesh inside, some bananas are black on the outside and do not affect the flesh inside, if the flesh is not rotten, you can eat it.
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Bananas are usually completely black when placed in the freezer, but they can be eaten if they are not blackened.
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No, whether it is the skin or the flesh is completely black, it must have deteriorated and thrown it away.
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Can you eat bananas when they're all black? The skin is black, and the inside is white, so you can eat it.
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Can you eat a blackened banana Why do bananas turn black The skin of a banana is damaged Can you eat a blackened banana 1 The black spots are fully ripe 2 The flesh inside turns black You can't eat it Judge it according to the specific situation Throw it away quickly.
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Don't eat it when it's all black, it's spoiled.
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The blackening inside the banana needs to be judged according to the degree of blackening, but it is generally recommended to choose fresh fruits as much as possible.
Banana blackening is mainly because banana peel contains phenols and polyphenol oxidase, when the banana epidermis is damaged, it leads to cell destruction, and undergoes a series of reactions to produce o-melanin, which gradually changes the color of bananas from brown to black with the extension of time, so banana blackening is not entirely due to food deterioration, and blackening does not mean that it is absolutely inedible.
If the skin of the banana turns black a little because it has been left for a long time or has been bumped, and the inside of the banana is normal or a small part of the banana has turned brown, then this situation can be eaten.
Storage of bananas
Tip 1: Rinse with water.
There is a ripening agent on the surface of the banana sold outside, after a few days, the banana will be ripe, the banana peel will turn black, and the banana will soon spoil, if you want to extend the storage time of the banana, you can immediately rinse the banana back with water several times to reduce the corrosion of the ripening agent, and then wipe the moisture on the surface with a dry rag. Under the same external conditions, rinsed bananas can be stored for a longer period of 5 to 7 days without spoiling.
Tip 2: Open up.
Breaking the purchased bananas one by one and dividing them can prolong the storage time of the bananas, because the bananas are connected by their stems, and some prematurely ripe bananas will diffuse the ethylene gas they release to the other connected bananas, just like a bad apple can destroy a pile of apples.
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If you're afraid of being poisoned, you can