Gannan is the hometown of navel orange in china. Won the title of "chinese famous fruit" gannan because of its unique soil conditions, the production of navel orange fruit large-shaped, orange bright, smooth and beautiful. Navel orange is rich in nutrients and contains all kinds of nutrients necessary for the human body. Contains a large number of vitamin c and carotene, help to inhibit the formation of carcinogenic substances, but also soften and protect the blood vessels, promote blood circulation, help reduce cholesterol and blood lipids, reduce the possibility of heart disease, prevention of gallbladder disease Navel orange contains rich vitamin, can prevent scurvy occurrence. Often eat with lower cholesterol, decomposition of fat, reduce non-ferrous metals and radioactive elements in the accumulation of human body, fire, anti-cancer, cancer, longevity of the efficacy.