banana is one of the four major fruits in the tropics and subtropics. It's also the favorite of many weight-loss papers, but if you buy a large number of bananas at one time, is it easy to blacken the skin after a day or two? Can you eat the banana skin blackened?
Can you still eat black banana peel?
Banana peel accounts for about 30% of banana fruit quality. When banana skin turns black, it is often thrown away by some people. In fact, this is a very unwise behavior. Studies have shown that after 10 days of use, a banana with black skin can produce 5 times more white blood cells in the body than a banana can help. Therefore, banana with black skin can play a more anti-cancer role.
Studies have found that eating a banana with a blackened skin can better detoxify the toxic substances in the human body and help the human body fight cancer. Eating the banana with black skin can release the toxins in human body and help human body fight cancer. Bananas contain toxic substances such as active oxides and other chemicals that can improve immunity. When people eat bananas, the white blood cells in the body will be stimulated, so that the number of white blood cells increases and the activity accelerates.
However, bananas with black skin and thin meat can't be eaten. In addition, the GI of ripe banana is higher than that of raw banana, so the patients with high blood sugar or diabetes should eat less.
How to store bananas, banana skin will not turn black?
1. Hang up the bananas
When the banana is laid flat, the whole weight is pressed on the contact surface, so the skin cells are easy to be pressed, so it is better to hang the bought banana to maintain its' appearance '.
If the conditions do not allow, it is better to put the raised side of the banana upward.
2. Cleaning before storage
Immediately wash the banana with water for several times (there is ripening agent sprayed on the outside). After washing, wipe the water with a clean cloth. The skin should be dry without water. Put the banana in a plastic bag, and then put an apple. Try to exhaust the air in the bag to fasten the bag mouth, and then put it in a place not close to the heating at home. In this way, bananas can be stored for 5-7 days without discoloration.
3. With immature apples
Put the immature banana and apple together for preservation. Soon, the color of banana will turn yellow and become mature and delicious.
In addition, there is a delicious way to preserve Bananas: peel the mature bananas, wrap them with plastic wrap and freeze them. When you want to eat them, you don't need to thaw them and eat them directly. They taste like ice cream, which makes them more delicious!
5. Pay attention to storage temperature
Bananas are best preserved at 8-23 ℃. They are easy to ripen and discolor at high temperature. If the temperature is too low, they are prone to frostbite. Therefore, they should be kept in a cool and ventilated place when it is hot. When it is cold, they should be wrapped with newspapers and other articles. The ripening speed of banana is very fast. It should be put in a cool, dry and ventilated place in the room. The hanging effect will be better. During winter storage, the ambient temperature should not be lower than 11 ℃, otherwise frostbite and blackening will occur easily. Be careful not to refrigerate the banana in the refrigerator, otherwise the pulp will turn dark brown and taste bad. When the banana is eight mature, it is better to store it at 11-13 degrees; the mature banana should not be stored and should be eaten as soon as possible.
Scientists have found that banana has a certain anti-cancer function, the more mature its anti-cancer effect is higher. Banana can increase white blood cells, improve the function of the immune system, and produce substances that attack abnormal cells.
Banana is a good way to relieve diabetes. In addition, it has better preventive effect on gastric ulcer. Banana is the first choice fruit for patients with hypertension. If you take it for a long time, it will play an auxiliary role in the treatment.