What kind of fruit is citrus? Citrus is also a common fruit. Citrus has a particularly high sugar content, sweet taste and rich nutrition. Many people like to eat this kind of fruit. Let's take a look at what kind of fruit citrus is and its related contents.
What kind of fruit is citrus? 1 Citrus is a kind of wide-skinned citrus fruit. Mainly produced in Wenzhou City, Zhejiang Province, also known as seedless orange. According to historical records, Wenzhou has cultivated citrus for more than 2400 years. Citrus in Wenzhou was listed as a tribute in the Tang Dynasty. In the fifth year of Xiaozong in the Southern Song Dynasty (A.D. 1 178), the Jiafu magistrate wrote "Citrus Records", which systematically described the experiences of Wenzhou citrus varieties, cultivation techniques, pest control, storage and processing.
Overseas planting. In the Ming Dynasty, the Japanese monk returned home from Tiantai National Temple and introduced Wenzhou citrus to Japan through Wenzhou Jiangxin Temple. Later, it was improved into a thin seedless and sweet-tasting Wenzhou mandarin orange. 1876 During the Meiji Restoration, it was introduced to the United States from Satsuma, Kyushu, Japan. Satsuma Alabama and Satsuma Louisiana in the United States are the names of this variety.
Are they oranges?
Oranges are not oranges.
Oranges and oranges are both citrus fruits, but there are some differences. The main characteristics of citrus are large and round, orange peel, thick skin, unsmooth surface and difficult peeling. The main characteristics of oranges are small shape, mostly oblate, orange peel, orange and red. Orange peel is thin, loose and easy to peel.
The orange fruit is large and spherical, and the orange peel is yellow, orange or orange-red. Citrus has a thick peel and oval seeds, which can be preserved for a long time. Citrus tastes sweet. Raw food can quench thirst, moisten throat and induce diuresis, and can cure dry mouth, excessive internal heat and loss of appetite. However, oranges are cool, so they are not suitable for the elderly and people with stomach deficiency and fear of cold. Excessive consumption can lead to excessive internal heat.
There are all kinds of oranges, such as kumquat, sweet orange and Wenzhou orange. The fruit of orange is very small, mostly oblate, and the orange peel is orange-yellow, orange-red and red. The orange peel is thin and easy to peel. It tastes sweet and sour and is not suitable for long-term storage. Excessive consumption of oranges for a short time will make the skin dark yellow, oranges can treat night blindness, and orange peel can relieve cough and phlegm, reduce fire and clear heat.
Oranges are large fruits, mostly round or oval, with orange or golden color. Orange peel is smooth, moderate in thickness and not easy to peel. The taste is sweet and sour. Common varieties are blood orange and navel orange, which can be preserved for a long time. Oranges have the functions of lowering blood fat and blood pressure, and orange peel can treat bronchitis and throat diseases.
What kind of fruit is citrus? 2. The efficacy and function of citrus.
1, vitamin supplement
Vitamins are essential nutrients for the normal work and metabolism of human organs, and oranges are particularly high in vitamins. It not only contains a lot of vitamin C, but also contains some vitamins B and A. People can quickly absorb and utilize the vitamins contained in it after eating, which can accelerate the metabolism of the body and improve the functions of various organs of the body.
2. Prevent and relieve indigestion
Although citrus tastes sweet, it also contains a certain amount of natural fruit acid, which can promote gastric acid secretion, and the dietary fiber and pectin it contains can accelerate gastrointestinal peristalsis, let the toxins in the gastrointestinal tract be discharged with feces, and improve digestive function. Regular consumption at ordinary times can reduce the occurrence of many adverse symptoms such as eating less, bloating, indigestion and loss of appetite.
3, disease prevention and disease resistance
Citrus can supplement rich nutrition for human body, and also has excellent medicinal value. Usually after eating, it can clear away heat and detoxify, and it can also induce diuresis and reduce swelling. It can prevent and relieve pharyngitis, tracheitis, pneumonia, cough and other common diseases. In addition, when people have difficulty urinating or edema, eating more oranges can also speed up water metabolism in the body and make the symptoms of edema disappear quickly.
Is the orange on fire?
Citrus is a sweet and mild fruit. Usually, moderate consumption will not induce excessive internal heat, but excessive consumption of citrus will also accumulate too much thermal toxins in the human body. These thermal toxins can induce excessive internal heat when they can't be metabolized out of the body in time, which will cause various symptoms of excessive internal heat. Therefore, you must eat oranges in moderation at ordinary times, and no more than three oranges a day.
What kind of fruit is citrus? 3 Yidu mandarin orange.
Yidu tangerine is a specialty of Yidu. On February 2 1, the Trademark Office of the State Administration for Industry and Commerce issued a registration announcement, and Yidu Tangerine, a collective trademark of geographical indications registered by the Citrus Association of Yidu City, Hubei Province, obtained the exclusive right to use the trademark, which marked Yidu as another collective trademark of geographical indications after Yidu's natural zinc-rich tea and became the county and city with the largest number of collective trademarks of geographical indications in Yichang.
Citrus is the pillar industry of Yidu. In order to support the development of citrus and take the road of promoting agriculture by brand, Yidu Industrial and Commercial Bureau helped Yidu Citrus Association and Panjiawan Tujia Township to carry out pollution-free production.
Quality characteristics of Yidu mandarin orange
Egan 2 is the main variety of Yidu mandarin orange, which belongs to wide-skinned citrus variety. The tree body is stronger, the tree shape is wider than Egan 2 [1], the leaves are larger, the germination rate is stronger, the branching ability is moderate, and the new shoots are soft. Flower buds have strong differentiation ability, generally single flowers, mainly leaves and fruits. The main fruiting branches are spring shoots and early autumn shoots, and the spring shoots bear better fruits. Parthenocarpy, seedless fruit, high oblate, single fruit weight about125.0g, uniform size, thin skin, high edible rate and full stele. Coloring began in late September,1matured in early October 10. When it is first colored, the peel is orange and shiny, and when it is fully mature, the peel is orange. The cold resistance is similar to that of Kamei Satsuma, and the adaptability is strong. Tested by the Food Quality Supervision and Inspection Center of the Ministry of Agriculture, the quality is qualified. The content of vitamin C is 239 mg/kg, the soluble solids are 65438 00.7%, the titratable acid is 0.88%, and the total sugar is 6.80%. Strong fragrance, refreshing and slag-melting. Trial planting was carried out in Yichang and Laohekou in 2003. Generally, the newly-built garden begins to try fruit in three years, and the plant yield can reach 10 kg in four years. After 6 years, it entered the full fruit period, with an average yield of 3000 Jin per mu. In 2004, it passed the joint examination (examination and approval) of Hubei Crop Variety Examination and Approval Committee, and the variety examination and approval number was E Shen Guo 200400 1.
Production environment of Yidu mandarin orange
Yidu city is located in the middle reaches of the Yangtze River near the exit of the Three Gorges, in the south of western Hubei. It is located in the transition zone from Jianghan Plain to western Hubei mountainous area. Yidu girls show oranges at the planting base. Domestic area 1357 square kilometers. The terrain is high in the southwest and low in the northeast, and it slopes from southwest to northeast. This is a hilly and semi-mountainous area. The eastern hills, 50-250 meters above sea level, are flat and fertile along the Qingjiang River of the Yangtze River. The hills, gullies and hills in the middle are interlaced, but the slope is gentle, forming a flat land, which is the main producing area of grain, oil and agricultural special products in this city. The city is located at 30 06'-30 36' north latitude and11106'-1136' east longitude, with obvious monsoon and subtropical monsoon climate. It has the characteristics of distinct seasons, mild climate, abundant rainfall, abundant sunshine and short hot time in severe winter and summer. The annual average sunshine hours are 1657.7 hours. The annual average temperature in the city is 16.7℃, the daily extreme maximum temperature is 40.8℃, and the daily extreme minimum temperature is-13.8℃. The temperature changes greatly in spring, sunny and hot in summer, rapid cooling in autumn and short in winter. The average temperature in 65438+ 10 is higher than 4℃ in 80% years, which provides a guarantee for the safe overwintering of crops such as citrus, tea and tung oil. The average annual rainfall 1235.4mm, the maximum annual rainfall 1869.0mm and the minimum annual rainfall (757.2 mm). During the crop growing season (April to 65438+1October), the rainfall in all parts of the city exceeds 1000mm, accounting for 80%. This is the most suitable area for citrus growth in China.
Historical origin
Yidu has a long history of planting Mandarin: in 450 AD, Hong Sheng wrote "Jingzhou Ji", which recorded Yidu Gan. With a long history of cultivation, countless literati splashed ink, which attracted many experts and scholars to talk about Taoism in sogou. "Spring clear riverbank, thousand oranges and two hectares of garden. Qingyun is ashamed of dense leaves, and snow avoids flowers. Use the edge knot to open the tube to the supreme. After maturing in peaches and plums, the Golden Gate finally appeared. " This poem "Hengzhai Orange Garden" was written by Du Fu, a realistic poet in Tang Dynasty, when he visited the scenery of Hengzhai Orange Garden in Yidu. The "horizontal moraine" mentioned in the poem is near Miaohua levee in Lucheng, Yidu City. Peng Ying, the magistrate of Yidu County in Qing Dynasty, also wrote a beautiful sentence, "How can ten miles of yellow and orange be as gloomy as eight hundred mulberry trees?"