Bananas are useful due to the high content of potassium and other substances. However, experts advise in the selection of bananas to look at their color.
Thus, the high dietary value of green bananas. They have indigestible starch which is beneficial to the intestinal microflora and reduces the risk of colon cancer. Plus, green bananas contribute to the production of glucagon in the body, accelerating metabolism. And, of course, green bananas a lot of potassium that reduces blood pressure.
In turn, the yellow bananas are rich in antioxidants, enhance immune defenses, stimulate the production of dopamine. It is also a great source of carbohydrates — clean energy. Yellow bananas, there is a high level of potassium, and there magnesium in high concentrations (together the ideal product for the cardiovascular system).
Bananas brownish color — the most ripe — characterized by a large proportion of sugar, which facilitates their absorption. Besides, they can find tryptophan that helps fight depression and insomnia. One more observation: in bananas, which begins to blacken the peel but not pulp, to produce a powerful antioxidant with anticancer properties.