Huang Chengcheng''s navel orange is bright and bright, with a neat and round appearance, a sweet and sour taste, and plenty of moisture. It is a housekeeping fruit on the table in many Western developed countries. It is also indispensable for buffets. One of my favorite fruits, navel orange is a cool fruit that won''t catch fire in winter!

　　History of navel oranges: A orange tree in a monastery in Brazil was mutated in 1820. There is a small orange in the tail of an orange. At the same time, the oranges of the tree are all childless, so they cannot be trusted. Seeds can only be grafted. In 1870, two navel orange trees were successfully grafted in California, and the world popularity of navel orange began.

　　Navel orange can be said to be a relatively comprehensive nutrition library. According to the "Chinese Food Composition Table (2002 version)", based on 100 grams of edible parts, the energy and nutrient content is approximately: energy, 47 kcal; protein, 0.8 g; fat, 0.2 g; carbohydrate, 11.1 G; dietary fiber, 0.6 g; vitamin C, 33 mg.

　　There are continuous international studies showing the nutritional effects of reasonable consumption of navel oranges. A study from the United States of more than 13,000 adults shows that eating 1 to 3 navel oranges daily reduces the overall gallbladder The incidence of disease, which may be related to the sufficient amount of vitamin C provided by navel orange.

　　 A study from the United States found that drinking 3 cups of freshly squeezed navel orange juice daily for more than 1 month may increase the body’s serum high-density lipoprotein (HDL, which is beneficial to humans). Level. It may be related to the specific chemical components "flavonoids" and "citrins" in orange juice, which can promote the increase of high-density lipoproteins and increase the discharge of low-density lipoproteins, which are harmful to the human body.

　　 Research from Australia has shown that the smell of navel orange may be helpful for alleviating the psychological pressure and relaxing tension of people, especially adult women.