Okra is a very common plant food in life. Eating okra properly can bring many benefits to the body, but there are also many places to pay attention to when eating okra. What are the nutritional values of okra? What are the skills for choosing okra? Okra has many benefits to health. Let's take a closer look at the benefits and ways of eating okra.
The nutritional value of okra is 1 1. Okra is a healthy vegetable.
Okra is a plant native to Africa, which was introduced to China in the 20th century. The edible part of okra is crisp, tender and juicy, but also very smooth and not greasy, and it has a fragrance, which is very popular among people. Now okra is a very good health vegetable, especially for the elderly.
2. Okra can be used to extract oil.
Okra can be used to extract oil from seeds, which is a particularly high-grade oil with high nutritional content and fragrance, far better than sesame oil and peanut oil.
3. Nutritional components of okra
Okra is high in protein and fat, and also contains a lot of carbohydrates and dietary fiber. The content of vitamins is also very high, especially vitamin A: carotene, in addition to retinol: thiamine: riboflavin: nicotinic acid: vitamin C: vitamin E and other substances, as well as a large number of mineral trace elements such as calcium, phosphorus, potassium and other nutrients, as well as a-E: (tail -γ)-E: δ-E and other nutrients.
How to breed okra How to cultivate okra
1: planting time
When planting okra in large quantities, we must master the correct planting time. This plant likes light and high temperature, and is suitable for planting from early April to late August every year. Late spring and early summer are the best time to plant okra every year. If you want it to go on the market as soon as possible, you can also use greenhouse to accelerate germination in spring, which will make okra get higher economic benefits after listing.
2. Soil preparation
Before planting okra, the soil should be prepared first, and the soil should be deeply ploughed, and sufficient decomposed farmyard manure and NPK compound fertilizer should be applied. After mixing them, level the ground and make a border. After the land is cleared, you can sow directly, but before sowing, you should soak the seeds of okra in warm water 12 hours, then put them in an environment of about 30 degrees to accelerate germination, and you can sow directly after the seed coat cracks.
3. Transplanting and planting
When the seedlings of okra grow three true leaves, they can be directly transplanted and planted. Attention should be paid to protecting the root system of okra when transplanting. The plant spacing is about 40 cm, and the row spacing is about 50 cm. Water it in time after transplanting. When transplanting, two or three seedlings can be used in each hole. After it grows four true leaves, you can decorate the seedlings and keep the strong ones.
4. Tian Tuan management
Field management after planting okra is also very important. After planting, it should be cultivated twice in time, which can improve the ground temperature and help to slow down the seedlings. After it enters the flowering stage, it should also be cultivated in time, which can promote its root growth and make its plants grow faster and blossom and bear fruit as soon as possible. In windy and rainy areas in summer, bamboo poles can also be inserted near okra for fixation, which can prevent plants from lodging and effectively improve the yield of okra.
Nutritional value of okra 2 1. Nutritional analysis of okra.
Okra contains pectin, milk polysaccharide, etc., which has the functions of helping digestion, treating gastritis and gastric ulcer, and protecting skin and gastric mucosa. It is known as one of the best healthy vegetables for human beings.
It contains various nutrients such as iron, calcium and sugar, and has the function of preventing anemia. The mucin secreted by it can protect the stomach wall, promote the secretion of gastric juice, stimulate appetite and improve indigestion. Contains vitamin A, which is beneficial to retina health and vision maintenance.
For young adults and athletes, okra can eliminate fatigue and restore physical strength quickly. At the same time, the tender fruit of okra contains viscous liquid, arabinan, galactan, rhamnose, protein and calcium oxalate. Can help digestion, enhance physical strength, protect the liver, strengthen the stomach and regulate the intestines.
Abelmoschus esculentus contains special ingredients with medicinal effects, which can tonify kidney and deficiency, and has an auxiliary treatment effect on male organic diseases. It is a suitable nutritious and healthy vegetable and enjoys the reputation of "Plant Viagra".
In addition, because okra is rich in trace elements such as zinc and selenium, it can enhance the anti-cancer effect of human body. In addition, it is rich in vitamin C and soluble fiber, which not only has a health care effect on the skin, but also makes the skin white and tender.
2. Okra is suitable for people to eat
The general population can eat it.
1: Suitable for gastritis, cancer, gastric ulcer, anemia and dyspepsia, especially for young adults, athletes and men and women who care for skin.
2. However, okra is a cold vegetable. People with stomach deficiency, poor function and frequent diarrhea should not eat more.
3, the practice of okra guidance
Okra can be cold mixed, fried, fried, stewed, or made into salads and soups. Before cold mixing cooking, it must be boiled in boiling water for three to five minutes to remove astringency.
4. Skills of selecting okra
Since okra has such benefits, how should we choose okra? Which okra is more nutritious?
1: Look at the color.
According to the color of pods, okra can be divided into red (red okra) and green (okra). Comparatively speaking, okra is tender and tastes better.
2: Look at the size and hardness
The smaller the okra is, the more tender it is. Its surface is full and bright, and its "back" is hairy, with a general length of 5~ 10 cm. Gently pinch it with your hand, you won't feel stiff, and you'd better have a little toughness.
In addition, if the color is dark and the hair is dry, it will look old. Don't choose okra with black spots and moth-eaten marks on the fruit, it may be rotten inside.
5, okra storage needs to know.
Okra is best to buy and eat on the same day, and don't buy too much at a time. Because the harvested okra is still diligently synthesizing cellulose, the tender pods will harden after a long time. If you need to save, you'd better pay attention to the following three points:
1: It is best to store at 7℃-10℃, and the storage period is about 10 day. Do not let okra come into direct contact with ice or ice water. Once it touches the ice, the whole okra will become soft and rotten, losing its original elastic taste.
2. It is best to eat it on the day of purchase. If you need to keep it, you can wrap it in white newspaper, then wrap it in plastic bags or plastic wrap and put it in the refrigerator. It is recommended to eat within two days, otherwise it is easy to age.
3. Because okra is easy to be bruised, it will turn black soon after being bruised, so whether it is selected or stored, it should be taken separately and cannot be squeezed. It is best to put it in a fresh-keeping bag before putting it in the refrigerator, and try to lay it flat.
Reminder: Many people don't know how to eat okra. In fact, there are many ways to eat okra, such as cold salad, stir-fry, stew and salad. However, before cold salad and stir-frying, the whole okra can be blanched for 3-5 minutes to remove astringency, cut into sections or dipped in whole sections, which can better retain the sticky substances in it, shorten the cooking time and prevent nutrient loss.
6. Precautions for eating okra
1: cold constitution can't eat okra.
Okra is a cool vegetable, which has a great influence on the balance of yin and yang in human body. Usually, those who are too cold in the body and have a cold constitution are not suitable for eating okra, otherwise it will make the body too cold and cause many diseases.
2. allergic constitution can't eat okra
This vegetable has a lot of mucus and fluff on its surface. These substances are natural allergens, which may cause allergies when eaten at ordinary times, especially those with allergic constitution. They should not be eaten, otherwise it will cause a variety of allergic symptoms.
People with spleen and stomach deficiency and cold can't eat okra.
Okra has obvious stimulating effect on human spleen and stomach. People will reduce the digestive ability of the stomach after eating it. Usually, people with spleen and stomach deficiency and weak digestive function are not suitable for eating okra, otherwise these bad symptoms will be aggravated and bad for their health.