Oranges are originated from Asia, from where they are widespread over the world.
Orange is a tropical to subtropical green tree growing in height from 5 to 8 meters. It gives fruits that have diameter of approximately 8 inches and weighing 100 to 150 grams every year. Oranges are classified into two categories: sweet and bitter.
Once oranges were very expensive and people have consumed them just for the Christmas dinner. Today, fortunately, oranges are widespread. Orange is known as curative fruit from the old days, and in Ancient Greece was called the God of fruits.
More than a hundred varieties of orange are used in the world. U.S. is the biggest producer of oranges in the world.
Nutritional value and medical application
- Orange as well as other citrus fruits, is an excellent source of vitamin C (providing about 60 percent of the recommended daily dose). Vitamin C is a powerful antioxidant. Consuming foods rich in vitamin C helps the body to develop resistance to infectious agents, and also collects the harmful, inflammatory free radicals from the blood.
- Oranges are rich in various nutrients. It is low calorie fruit, does not contain saturated fats or cholesterol, but it is rich with fiber and pectin, which are extremely useful for people with obesity. Pectin serves as a natural laxative and thus helps in the prevention of the lining of the colon by reducing the time of exposure to toxic substances, as well as bonding with carcinogenic substances in the colon. Pectin also lowers the level of cholesterol in the blood by reducing the reabsorption of bile acids in the colon.
- Oranges are a good source of vitamin B group, such as thiamine, pyridoxine and folate. These vitamins are essential in the sense that the body must get them from external sources to supplement the supplies.Orange Fruit
- Oranges contain several types of phytochemicals. Hesperetin and naringenin are flavonoids that are found in citrus fruits. Naringenin has bioactive effects on human health as antioxidant. It is convener of free radicals, has anti-inflammatory properties and serves as a modulator of the systemic immune system. In numerous studies was shown that this substance reduces the injuries incurred as a result of oxidation of DNA in cells.
- Orange peel serves as a stimulant to the nervous system, as an asset for stimulating intestinal cleaning, reducing temperature and against intestinal parasites.
- Oranges also contain a small amount of vitamin A, and other flavonoid antioxidants, such as beta-carotene, beta-cryptoxanthin, zeaxanthin and lutein. It appears that all these compounds have antioxidant properties. Vitamin A is also required to maintain the health of skin and mucous membrane and is crucial for good vision. Consuming the fruit naturally rich with flavonoids helps the body to protect from lung cancer and cancer of the oral cavity.
- Oranges contain healthy amounts of minerals, such as potassium and calcium. Potassium is an important component of cell and body fluids and helps in the regulation of the blood and the heart function.
[via Best Herbal Health]