Apple is the most common and widely taken and cultivated fruit in the world. These are available best from October to April. Buy only firm & without blemishes and wrinkles. Available in red, green and reddish yellow. Apples have a good food value — ‘ An apple a day keeps the doctor away ‘ – as the saying goes. 3 oz provides about 50 calories and are rich in fruit sugar, vitamins, iron, and potassium .