Orange is the most famous citric fruit. It is widely consumed in most countries and is very popular because of its nutrients and vitamins, natural sweetness, variety of types and diversity of uses. The origin of the orange is uncertain and it grows from the orange tree throughout the year, specially during mild temperatures.BenefitsRich in Folic acid, calcium, potassium, magnesium, phosphorus, iron, vitamin C, fiber, pectin and flavonoids. Oranges also contain thiamin, riboflavin, niacin, vitamin B-6, folate, pantothenic acid, phosphorus, magnesium, manganese, selenium and copper. Because of their high vitamin C content (over twice the daily need) oranges are associated with boosting the immune system.Zeaxanthin and carotenoids have antioxidant effects and have been shown to have an inverse relationship with overall cancer rates and prostate cancer in particular.