Green onion is a biennial herbaceous plant of the Allium genus in the Liliaceae family. Its edible organs are the fat pseudostem (commonly known as green onion) composed of leaf sheaths and young leaves. Green onions originate from the alpine areas of western my country and Central Asia and are domesticated and selected from wild onions. The cultivation history of green onions in my country has been more than 3,000 years. Green onions were first introduced to North Korea from my country, and then to Japan. The first record of green onions in Japan was in 918 AD, and their cultivation is now relatively common. Green onions were introduced to Europe in 1583 and to the United States in the 19th century. However, there are still relatively few cultivations in European and American countries.
Green onions can be harvested and marketed at any time from seedlings to grown to meet people’s seasoning needs. Green onions grown in autumn can be stored for a long time and can be supplied to the market at any time throughout the winter. They are an important vegetable for balanced supply throughout the year. Green onions are very resistant to transportation and are one of the largest quantities of vegetables transported long distances in my country. Green onions are both ordinary vegetables and seasoning vegetables, occupying an important position in vegetable production in my country.
my country is currently the country with the largest onion cultivation area in the world. According to statistics from the Ministry of Agriculture, my country’s green onion sowing area in 2007 was approximately 540,000 hectares, accounting for 90% of the world’s onion area. Green onions are widely distributed in my country. Since green onions do not have strict requirements on soil, climate and other environmental conditions, they are cultivated all over the country. The Huaihe River Basin, the north of Qinling Mountains and the middle and lower reaches of the Yellow River are the main production areas, including Shandong, Hebei, Henan, etc. The province is an important producing area. Green onions are a very important vegetable crop in the northern region. They are available year-round, but are mainly eaten raw in winter and spring. In the central and southern regions of my country, green onions are mostly cultivated and are generally used as seasoning vegetables.
Onions are rich in nutrients. Every 100 grams of green onions contains 1 to 2.4 grams of protein, 6 to 8.6 grams of carbohydrates, 0.3 grams of fat, 1.2 mg of vitamin A, 10.08 mg of vitamin B, and vitamin B20. .05 mg, vitamin C 14 mg, phosphorus 46 mg, iron 0.6 mg, and volatile propyl sulfide, propyl propenyl disulfide, methyl mercaptan, dipropenyl disulfide, and dipropyl disulfide aromatic substances. Due to these aromatic substances, it has a spicy flavor, delicate, crisp, juicy and sweet taste when eaten. It is a good vegetable for raw food or seasoning. Green onions can be eaten raw, stir-fried, cold or used as vegetable seasonings. People's eating habits of green onions are very common, especially in the north, where they eat a lot. Onions have high medical value. Onions are pungent in taste and warm in nature. They are pungent when raw and sweet and warm when cooked. It has the functions of sweating and detoxifying, promoting yang and diuresis, improving eyesight and replenishing the central nervous system, removing evil spirits, benefiting the five internal organs, stopping dizziness, dissipating blood stasis, detoxifying, stopping bleeding and relieving pain, and eliminating hemorrhoids, leakage, carbuncles and swelling. In traditional Chinese medicine, scallion white can cure colds, headaches, fever, and anhidrosis; scallion juice can cure drowning, nosebleeds, etc.; pounded scallions and applied externally can also treat rheumatism, swelling and pain, bruises and other symptoms.
The domestic market for green onions is vast, and in recent years it has opened up the international market. It is exported to South Korea, Southeast Asia, Japan and other countries every year. Statistics from 2003 to 2005 show that the quantity of green onions exported from my country to Japan increased year by year, reaching more than 70,000 tons in 2005, with a transaction value of more than 40 million US dollars, doubling in three years. At present, my country has become the world's largest exporter of green onions. most countries.