Counting the nutritional value and efficacy of oranges
Sweet oranges are citrus subfamilies of rutaceae, fruit trees, trees.
Also known as Cantonese, Huangguo, Orange, Cantonese, Xuegan, and Yinzi.
Scientific name Citrus sinensis (L.
The word sweet orange began to appear in the Shaoxing Prefecture Records in the 14th year of Wanli in the Ming Dynasty.
Sweet orange is one of the common fruits in life.
The fruit contains a large amount of sugar, a certain amount of citric acid and rich vitamin C. It has high nutritional value, good color, aroma and taste, and is an excellent fruit for consumption.
Sweet oranges have a high yield and stability, and they produce about 30-40 tons per ton in China.
China’s Sichuan area is widely distributed.
Orange is native to southern China and the Indochina Peninsula in Asia.
In the Western Han Dynasty, there were records of “yellow mandarin, orange and coriander” in 117 BC.
Sweet oranges are distributed in 13 provinces and autonomous regions of China and are mainly produced in Sichuan, Guangdong, Taiwan, Guangxi, Fujian, Hunan, Jiangxi, Hubei and other provinces.
He set foot in Europe in the early 15th century and became America in the late 15th century.
Among the world’s citrus production, sweet orange accounts for the largest proportion, and the annual output accounts for about two-thirds of the total orange output.
Plant traits: sweet orange evergreen tree, 2?
The 3-meter canopy is medium in size, rounded or semicircular.
Branches numerous, glabrous, branchlets showing oblate edges, without spines or slightly spines.
Leaf degeneration is unifoliate: petiole length is 0.
8 cm, leaf wings narrow, 2?
3 mm with distinct septum at the junction with the leaves; leaves oval, 6?
12 cm, width 3?
5 cm, apex acuminate, broadly wedge-shaped at base, inconspicuous wave-like serrations at edges;
Flower petals cup-shaped, 3?
5-lobed, lobes ovoid, apex narrowly pointed; petals 4?
8, usually 5, long oval, up to 1.
5 cm, width 0.
7 cm; stamens numerous, filaments constant clusters healing on disk; ovary superior, 10?
13 chambers with 4 ovules per chamber?
8 ovary nearly spherical.
Style large, often falling early.
Fruity, diameter 7?
9 cm, round to oblong, pale yellow, orange yellow or blood red, tough and slippery.
The oil bubbles are usually slightly sudden, the flesh is orange yellow to blood red, soft and juicy, and scented.
The peel and pulp are not easy to separate.
The fruit is small and full.
Seeds are numerous, few or absent, differing by variety, ovate or oblong, many embryos, white.
Chromosome 2n = 18, also has triploid, tetraploid and hexaploid.
The nutritional value of orange Orange is rich in nutrients, vitamin C, β-carotene, citric acid, vitamin A, vitamin B group, olefins, alcohols, aldehydes and other substances.
In addition, oranges have mineral elements such as magnesium, zinc, calcium, iron, phosphorus, potassium and inorganic salts, cellulose and pectin.
The effect of digestion, degreasing and refreshing thirst, appetizing.
Normal people eat oranges or drink orange juice after meals, which have the functions of degreasing, eliminating food, quenching thirst, and sobering up.
Prevention of “rich and noble disease” increases the body’s resistance, increases the elasticity of capillaries, and reduces blood cholesterol.
People with hyperlipidemia, hypertension, and arteriosclerosis often eat oranges.
Drinking 3 cups of orange juice a day can increase the amount of high-density lipoprotein (HDL) in the body, thereby reducing the possibility of developing high blood pressure.
Clearing the intestines promotes intestinal peristalsis, which is good for clearing the bowels and removing harmful substances in the body.
The effect of treating cough, cold, cough and phlegm is better than that of Chenpi. It is a good medicine for treating cold cough, loss of appetite, and chest and abdominal pain.
Anti-cancer oranges can remove free radicals that are harmful to health and inhibit the growth of tumor cells.
The pectin contained in the orange peel of gallstones can also promote the passage of food through the turbine tunnel, so that the phospholipids are metabolically excreted in the feces to reduce the absorption of dialysis.
People with gallstones, in addition to eating oranges, drinking with orange peel water, can also have good axial treatment.
Relieving stress in women The smell of oranges is good for relieving people’s psychological stress, but it only causes women to overcome tension, but it has little effect on men.
Regular eating can prevent cancer. A medium-sized orange can provide a person with vitamin C needed for a day, and improve the body’s ability to resist bacterial attack.
Oranges can remove free radicals that are harmful to health and inhibit the growth of tumor cells.
Of all the fruits, citrus contains the highest antioxidants, including more than 60 flavonoids and 17 types of carotene.
Flavonoids have anti-inflammatory, strengthening blood vessels and inhibiting blood clotting.
Carotenoids have a strong antioxidant effect.
These ingredients make oranges inhibit the development of various cancers.