Apples are a potent source of antioxidants with polyphenols, flavonoids, and vitamin C. Therefore Apples are a good source of fiber, and potassium and there are only 47 calories in an average-sized apple.
The undisclosed secret behind the antioxidant capacity of the apple is in its skin. The apple skin alone gives 2 to 6 times the antioxidant activity of the apple flesh, so it is very essential to eat the skin to get the full health benefits of apples.
There are several varieties of apples, and every one of these varieties has its own exclusive skin color. Along with these differences in skin color come differences in the chemical makeup of the skin itself, as the phytonutrient content differs in concentration and the kinds of polyphenols present. Because of this, it is really imperative to eat a wide variety of apples to ensure that a balance of all of these antioxidant agents is maintained.
Along with being a source of antioxidants, apples are also rich in fiber content. Moreover, one big apple has 5.7 grams of fiber, which is 30 % of the minimum amount of daily fiber intake, as listed by the daily values. Diets that are rich in fiber have been extremely correlated with a decrease in the risk of developing heart disease.
So eating an apple in a day gives you a delightful snack for you, and your heart. The apple, with has rich antioxidant content, has also been connected to the prevention of lung cancer, improved pulmonary (lung) function, and the prevention of type II diabetes.