Asparagus is harvested several times a year. Asparagus in winter is a must on the table. Asparagus as we know it is asparagus in winter. But besides winter bamboo shoots and summer bamboo shoots, when can I eat and sweep asparagus in a year? See how many times asparagus is harvested a year.
How many times a year does asparagus harvest? 1 Where is the asparagus?
China, Peru, Germany, France, Spain, the United States and Japan are all producing areas of asparagus. At present, China is the largest producer of asparagus, which is far ahead compared with other countries. The concentrated asparagus producing areas in China are located in Xuzhou, Jiangsu, Heze, Shandong and Chongming Island.
The quality of asparagus planted in dry land in the north is better than that planted in paddy field in the south. There is little water in dry land, the growth cycle of asparagus is slow, the water content in the stem is small, and the taste is good. Asparagus planted in paddy fields absorbs more water and grows fast.
Asparagus is the seedling of asparagus, a perennial herb of Asparagaceae. Asparagus is rich in amino acids, various trace elements and vitamins, and low in calories. Asparagus also has other effects such as lowering blood sugar and blood lipid, losing weight and improving human immunity.
Asparagus is harvested several times a year.
Asparagus can only be harvested in the second year after planting, and only twice a year. The first recovery time is from April to June, and the second recovery time is from September to165438+1October. The summer weather is hot, the quality of asparagus is poor, and the yield is relatively low. The picking time is generally about 2 months. If the picking time is prolonged, the tender stems will become old and affect the taste. It's not as delicious as tender asparagus. When harvesting in the second year, the harvest period can be appropriately extended by about one month, but the time cannot be extended for too long.
You should know that asparagus can only be harvested twice a year. The largest producing area of asparagus is in China, mainly distributed in Xuzhou, Jiangsu and Heze, Shandong. The selenium content of asparagus is higher than that of ordinary vegetables, which can be compared with mushrooms and even marine fish with high selenium content.
Asparagus is harvested several times a year.
Lu Jian
The efficacy and function of asparagus;
Asparagus is sweet in taste and cold in nature, belonging to lung and stomach meridians;
Has the effects of clearing away heat and toxic materials, promoting fluid production and diuresis.
Nutritional value of asparagus
Asparagus tastes delicious and fragrant, and dietary fiber is soft and delicious, which can stimulate appetite and help digestion. Asparagus is known as one of the top ten famous western dishes, and it is a high-grade and precious vegetable.
According to modern nutritional analysis, asparagus protein contains all kinds of amino acids necessary for human body, and the content ratio is appropriate. Inorganic salts contain selenium, molybdenum, magnesium, manganese and other trace elements, as well as a large number of non-protein nitrogen-containing substances and aspartic acid with asparagine as the main body.
Regular consumption has certain curative effect on heart disease, hypertension, tachycardia, fatigue, edema, cystitis, dysuria and other diseases. Meanwhile, asparagus is beneficial to cardiovascular diseases, angiosclerosis, nephritis, gallstones, liver dysfunction and obesity.
At the same time, the quality of various vitamins and trace elements contained in asparagus is better than that of ordinary vegetables. Nutritionists and vegetarians agree that it is a healthy food and a comprehensive anti-cancer food. Asparagus is effective in treating lymphoadenocarcinoma, bladder cancer, lung cancer, kidney calculi's disease and skin cancer. It also has a good curative effect on other cancers and leukemia.
According to the research of the International Association of Cancer Patients, asparagus can normalize the growth of cells and prevent the spread of cancer cells.
Suitable crowd of asparagus
The general population can eat it.
Because it contains a small amount of purine, gout patients should not eat more.
Asparagus food is similar to asparagus.
Avoid croton
Asparagus cooking guide
Although asparagus is good, it should not be eaten raw, nor should it be stored for more than 1 week before eating. It should be stored at low temperature and away from light.
2. Folic acid in asparagus is easily destroyed. If it is used to supplement folic acid, high-temperature cooking should be avoided. The best way to eat is to cook in a microwave oven with low power.