Oranges have a special structure, the outer skin is quite hard, green when raw, yellow, orange, red and other colors when mature; medium peel is milky or light yellow; pulp skin is thin film, divided into eight to ten rooms, each room contains A lot of juice is the edible portion. Oranges are often referred to as lazy fruits. They do not need to be washed or peeled. They are easy to eat, and the outer skin is golden yellow, which has always been a pleasing fruit in the eyes of Chinese people. Oranges are one of the representatives of the citrus category. Of course, the content of vitamin C is not a problem. As long as you eat three oranges, you can meet the vitamin C required by the human body for a day. Orange has a lot of endothelial fibers, which can prevent constipation. Its nutritional content is very high. It contains a variety of organic acids such as malic acid and citric acid, which can help the body's metabolism and enhance cardiopulmonary function.
Nutrition facts of oranges
Content (per 100 g)
Content (per 100 g)
Vitamin D (D2 + D3)
0 international units
saturated fatty acid
Monounsaturated fatty acid
Polyunsaturated fatty acids
The efficacy of oranges
Appetizers and qi, quench thirst
How to pick oranges
Good oranges are shiny orange or dark yellow; the bottom of the orange is a small gray circle; from the side, the end with the long handle is recessed. Overmature pale yellow, greenish greens, and oranges with perforated skin all failed. The bottom is not a small circle but a small dot and the long handle is protruding. Generally, it is more acidic. The skin is thin. You can smell the fragrance through the orange peel. It is also good orange to squeeze some oil from the skin with your hands.
How to store oranges
Oranges can be stored by dissolving a small amount of baking soda in water, then immersing the oranges in baking soda and letting it air dry naturally. After baking soda, a protective film is formed on the surface of the oranges, which is then stored in a fresh-keeping bag and sealed. can. The oranges thus treated can be stored for 1 to 3 months. Oranges are not suitable for storage in the refrigerator, and are easily frostbite.
Members of the citrus family
Citrus fruits include orange, mandarin, pomelo, citron, sweet orange, lime, kumquat, lemon and a large family. In order to facilitate the distinction, the characteristics of tangerine, tangerine, orange and pomelo are as follows:
Citrus: It is a mature fruit of various citrus species such as the rutaceous plant Citrus. The fruit is large, nearly spherical, with yellowish-yellow, orange-yellow or orange-red skin, thick peel, thick sponge layer, loose texture, slightly difficult peeling, and oval-shaped seeds. Moderately sweet and sour, resistant to storage.
Oranges: Oranges are the mature fruits of various citrus species such as rutaceous plants such as citrus or citrus. There are many types, including Babu orange, Qiantang orange, sweet orange, tangerine, Miyagawa, Xinjin orange, Owari orange, Huangyan orange, Wenzhou orange, Sichuan orange and other varieties. The fruit is small, often oblate, and the skin is orange-red, vermilion, or orange-yellow. The peel is thin and loose, the sponge layer is thin, the texture is tough, and it is easy to peel off. There are 7 to 11 flaps. Sweet or sour, the seeds are pointed and not tolerant to storage.
Orange: Refers to a group of plants below the rutae family, citrus subfamily, citrus, citrus subgenus. There are varieties of broccoli and navel orange. Commonly refers to sweet orange. "Zhongyu No. 7 Sweet Orange" is a new sweet orange variety selected by the Chinese Academy of Agricultural Sciences for its seedless, high-quality, high-yield, high-storage, fresh-food, and processing (juice) combination. The fruit is round or oblong, the skin is smooth and thin, the capsule is tight, and it is not easy to peel. The meat is moderately sweet and sour, full of aroma.
Grapefruit: Grapefruit is a kind of citrus fruit, and it is the largest among them. It is the mature fruit of the evergreen fruit pomelo tree of the ruta family, also known as Zhu Luan, Lei Pomelo, Qitang, Wendan, Xiangluan, Zhuluan, Inner Purple, Zuo Fan, Citrus Orange, Scented Orange and so on. There are 3 types of white heart grapefruit, red heart grapefruit and Shatian grapefruit. Such as Shatian pomelo, the skin is not too thin, the appearance of the skin is not particularly smooth, and the fruit type is mostly pear type. The fruit part of grapefruit is very tight and it is difficult to break open. When eating Shatian grapefruit, use a knife to cut it. Each piece of grapefruit is completely wrapped, and the peel will not burst. The taste is purely sweet, unsurprisingly sweet, without impurities, and not much scum. The richness of the juice is not the kind of water and spirit, but it is also good. Shatian pomelo is usually more than one or two pounds, not more than three or four pounds. The honey pomelo is only three or four pounds, it is large and round, and the skin feels smooth. If you compare the same honey pomelo with Shatian pomelo, the difference will be obvious. The juice of honey pomelo is very rich, which is more abundant than that of Shatian pomelo.
Taboos of oranges
It can be consumed by the general population, and those who have cough or phlegm drinking cough should not eat it.