Oranges can be used as a snack or as part of a meal, and they typically contain around 85 calories. Oranges can boost a person's immune system. They are known to possibly aid with heart health, respiratory health, ulcers and kidney stones. An orange contains more fiber than orange juice because the juice does not contain the orange's pith, which is the white part of the orange between the peel and the flesh.
A 100-gram orange contains as much as 90 percent of the daily requirement of vitamin C. It has about 11.75 grams of carbohydrates, 2.4 grams of fiber and 169 milligrams of potassium. Oranges are a good source of vitamins and minerals, and they are well known for their antioxidant and anti-inflammatory properties.
Oranges are classified as either sweet or bitter, and they come in varieties such as Persian, navel and blood. Tangerines are also classified as oranges. They all belong to the scientific group hesperidium, which contains modified berries with tough rinds.
Orange season lasts from October until February. Oranges can be kept at room temperature and last about a week. To further an orange's shelf life to two weeks, keep it in a refrigerator's fruit compartment.