Unripe bananas can lead to constipation
As we all know, bananas are not ripe when the skin is green, peel off the skin, astringent can not be swallowed. Ripe bananas, astringent clean, soft and sweet, loved by children and the elderly. Banana is a tropical, subtropical fruit, in order to facilitate the preservation and transportation, picking bananas, can not wait for it to be ripe, but in the banana skin green when you have to pick into the warehouse. The bananas we eat in the north are ripened only after ripening. The astringent flavor of raw bananas comes from the high amount of ellagic acid contained in bananas.
When the bananas are ripe, although the astringent flavor is no longer tasted, the ellagic acid component is still present. Tannic acid has a very strong astringent effect, can be the feces into dry hard feces, thus causing constipation. The most typical is the old man, the child has eaten bananas, but not to help laxity, but can occur obvious constipation.
Excessive eating bananas can cause micronutrient imbalance
Bananas are a delicious fruit, so some people eat a lot of bananas at once. Unbeknownst to them, this is very unfavorable to their health. Bananas contain more magnesium, potassium and other elements, these mineral elements are essential to human health, but if too much intake in a short period of time at once, will cause a sharp increase in blood magnesium, potassium content, resulting in the body of potassium, sodium, calcium, magnesium and other elements of the proportion of the imbalance of the health hazards. In addition, eating more bananas will also greatly reduce the secretion of gastric acid and cause gastrointestinal dysfunction and excessive mood swings. Therefore, bananas should not be eaten in excess.
On the sports field, especially some "time-consuming" sports competitions, such as tennis, and so on, from time to time to see the players in the break, peeling bananas to eat, is it to fill up the stomach, or to replenish energy?
When exercising, it is not suitable to eat too full, halfway to eat bananas, the main purpose is to make up for the body's rapid loss of energy.
Nutritionists say that soccer and tennis players like to eat bananas before going on the field, which helps the clinical performance. Analyzed from a nutritional point of view, the sugar in bananas can be quickly converted into glucose, which is immediately absorbed by the body and is a fast source of energy.
Bananas are high in potassium, which is a favorite among athletes because it strengthens muscle strength and endurance.
Bananas help lower blood pressure
Nutritionists say that potassium has an inhibitory effect on sodium in the body, and eating more bananas can lower blood pressure and prevent hypertension and cardiovascular disease. Studies show that eating two bananas a day can effectively reduce blood pressure by 10%.
Many mothers like to give their children bananas when they are constipated, which is also absolutely correct. Nutritionists say that bananas are rich in soluble fiber, also known as pectin, which helps digestion and regulates gastrointestinal function.
Bananas also have a therapeutic effect on insomnia or emotional tension, because bananas contain proteins with amino acids, which have the effect of calming the nerves, so eat some bananas before going to bed, more or less can play some sedative effect.
Not for everyone
Bananas are highly nutritious, but not for everyone. The nutritionist said, bananas contain high potassium, suffering from acute and chronic nephritis, renal insufficiency, are not suitable for more food, it is recommended that these patients eat bananas every day, to the limit of half a banana.
In addition, bananas have a high sugar content, a banana contains about 120 calories (equivalent to half a bowl of rice), diabetics must pay more attention to the amount of absorption can not be more.
The value of bananas in Chinese medicine
The Chinese medicine practitioner said that bananas are cold and sweet, and their nutritional value has been documented in ancient books, and their effects include clearing away heat and removing toxins, laxative, moistening the lungs and relieving coughs, lowering blood pressure, and nourishing the body, which is a high-quality fruit, and is really inexpensive and beautiful.
However, bananas are cold in nature, stomach pain and cold stomach, spleen and stomach cold people should eat less.
Introducing several kinds of bananas "ancient method"
According to the ancient books, in particular, the introduction of several kinds of bananas "ancient method", for modern people, this is quite "fresh! "
● two bananas with the skin on the fire, then eat while hot, can improve hemorrhoids and blood in the stool;
● hands and feet due to the cold chapped phenomenon, you can rub the inside of the banana peel on the affected area for a few days, you can make the skin slippery;
● on the lungs, dry cough, no phlegm, mouth and nose dry people, the use of three bananas peeled and cut into sections, add rock sugar and one banana. Cut sections, add rock sugar and a bowl of water, stewed in water for an hour, and then eaten with the dregs, can moisturize and dispel dryness.
Nutritionist said, bananas are easy to collision extrusion damage black, at room temperature is easy to breed bacteria, it is best to discard. In addition, the elderly to eat bananas, do not swallow, lest be choked.