Energy value of bananas around 136 calories for every 100 grams, which as a whole comes from carbohydrates.
Energy value of banana twice higher than the apple. Apples with the same weight (100 grams) contains only 54 calories.
Carbohydrates provide energy bananas slightly slower than sugar and syrup, but much faster than rice, biscuits, and a kind of bread. Therefore, many athletes now taking a break or rest banana as energy reserves.
Energy content of banana is instant energy, which is easily available in a short time, so useful in providing a second calorie needs. Banana carbohydrate complex carbohydrate level is moderate and is available in stages, so as to provide energy in a time not too fast. Carbohydrate reserves the banana is a very good energy use and can be quickly available to the body.
Sugar banana is fruit sugar, which is composed of fructose which has a lower glycemic index than glucose, so that pretty well as a store of energy for a little more slowly metabolized. After working hard, or thinking, always arises drowsiness. This situation is a sign of brain energy shortage, so that the biological activity also decreased.
To conduct their activities, the brain needs energy in the form of glucose. Blood glucose is vital for the brain to function properly, such as expressed in the memory capacity.
Glucose was mainly obtained from the brain blood circulation because of glycogen as a glucose reserve is very limited existence.
Blood glucose intake mainly derived from food sources of carbohydrates. Banana is the best alternative for providing energy in times of rest or pause, at the time of the brain in dire need of quick energy available for biological activity.
However, protein and fat content of bananas was not good and is very low, ie only 2.3 per cent and 0.13 per cent. However, fat and protein content of bananas are still higher than the apple, which is only 0.3 percent. Therefore, no need to fear of obesity despite consuming large quantities of bananas.
Source : http://id.wikipedia.org/wiki/bananas
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