Orange contains essential vitamins and nutrition’s. The orange is low in calories, contains no saturated fats or cholesterol, but it is rich in dietary fiber, pectin, which is very effective in persons with excess body weight. Pectin, by its action as bulk laxative, helps to protect the mucous membrane of the colon by decreasing its exposure time to toxic substances as well as by binding to cancer causing chemicals in the colon. Pectin has also helps to reduce blood cholesterol levels by decreasing its re-absorption in the colon by binding to bile acids in the colon.
· Oranges, like other citrus fruits, is an excellent source of vitamin C.Vitamin C is a powerful natural antioxidant. Consumption of foods rich in vitamin C helps body develop resistance against infections and scavenge harmful, pro-inflammatory free radicals from the blood.
· Orange fruit contains a variety of phytochemicals, Hesperetin and Narigenin are flavonoids found in citrus fruits. This chemicals has also been shown to reduce oxidant injury to DNA in vitro studies.
· Oranges also contain vitamin A, and other flavonoid antioxidants such as alpha and beta-carotenes, beta-cryptoxanthin, zea-xanthin and lutein. These compounds are known to have antioxidant properties. Vitamin A is also required for maintaining healthy mucus membranes and skin and is essential for vision. Consumption of natural fruits rich in flavonoids helps body to protect from lung and oral cavity cancers.
· It is also contains B-complex vitamins such as thiamin, pyridoxine, and folates. These vitamins are essential for the health of the human body.