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Native spinach has smaller leaves and shorter stems.
Spinach
Alias
Spinach, red root vegetable, Persian grass, parrot vegetable, rat root vegetable, spinach
Classification
Vegetables, tender stems, leaves, cauliflower
Attributes of the Five Elements
Gold
[Food amount recommendations]
~g per meal
[Suitable people]
Suitable for people with diabetes, high blood pressure, anemia, and bad blood
【Contraindications】
Patients with nephritis, kidney stones, gastrointestinal sweating, and diarrhea should not eat
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_ Introduction to spinach
_ Spinach is an annual product of the Chenopodiaceae family. Biennial vegetables. Its original name was spinach, but because the word "薐" was difficult to recognize and inconvenient, it was shortened to two characters. The ancient Chinese called it red-billed green parrot, also known as spinach, Persian grass, red root vegetable, parrot vegetable, rat root vegetable and horn vegetable. The leaves and young stems are eaten. Originating in Persia, it was introduced to China during the Tang Dynasty and is now cultivated in various places. It is a green leafy vegetable that is supplied to the market all year round. Spinach can be divided into two types: pointed leaves and round leaves according to leaf shape. Pointed leaf type, the leaves are arrow-shaped, the petiole is long and the mesophyll is thin, the root is thick and contains a lot of sugar, and the quality is good. Autumn and winter blanket spinach belongs to this type. Round leaf type, the leaves are round, oval to form an oval, the leaves are large and fleshy, the petiole is short and wide, and the oxalic acid content is high. Spinach in spring and summer mostly belongs to this type.
Spinach is a cold-tolerant vegetable and a long-sun plant. It requires more water during the growth process. The effective soil moisture content is ~ and the relative humidity of the air is ~. The soil requirements are not strict, and ~ is appropriate. The demand for nitrogen fertilizer is greater, followed by phosphorus fertilizer and potassium fertilizer. Sowing can be done in spring and autumn. Sowing is mainly done in autumn, and the growing period lasts for about 10 days. In northern China, there are also types of spinach that are sown in winter and harvested in spring, commonly known as head-down spinach. Drill or broadcast can be used. The main diseases of spinach include downy mildew, viral diseases, and anthracnose. The main pests include aphids, leaf miners, etc. Vegetables that are cold-tolerant and not heat-resistant will not grow well and have poor quality when the temperature exceeds ℃. If the high-efficiency cultivation technology of summer spinach is used, it can be planted in ~ months and can be available on the market in ~ months, with extremely high economic benefits.
_ Nutritional value of spinach
_ Spinach contains a large amount of plant crude fiber.
Rich in iron. The non-heme iron contained in plants and the iron contained in animals have the disadvantage of low absorption rate. Therefore, to promote the absorption of iron, protein must be taken in at the same time. A reasonable combination of citric acid and vitamins can increase the absorption rate.
The carotene content in vegetables ranks second among vegetables. Carotene has anti-cancer effects and is a fat-soluble vitamin. Therefore, to obtain sufficient nutrients, it must be taken together with fat.
It is rich in carotene, vitamins, calcium, phosphorus and a certain amount of iron, vitamins and other beneficial ingredients.
Vegetable extract can promote the proliferation of cultured cells.
_ Effects of eating spinach
_ Intestinal bowel movement, prevention and treatment of hemorrhoids
Spinach can promote intestinal peristalsis, facilitate defecation, and can promote pancreatic secretion and help digestion. It has a therapeutic effect on hemorrhoids, chronic pancreatitis, constipation, anal fissure and other diseases.
Promote growth and development, enhance disease resistance
It can maintain normal vision and the health of epithelial cells, increase the ability to prevent infectious diseases, prevent night blindness, and prevent oral ulcers, glossitis, dermatitis, and scrotal inflammation. Promote children's growth and development.
Iron filling
It has a good auxiliary therapeutic effect on iron deficiency anemia.
Clean skin, anti-aging
Spinach extract has the effect of promoting the proliferation of cultured cells, which not only resists aging but also enhances youthful vitality. Chinese people mash spinach to extract juice, wash their face several times a week, and use it continuously for a period of time to clean skin pores, reduce wrinkles and pigment spots, and keep the skin smooth.
_ Contraindications of eating spinach
_ Not suitable for patients with nephritis and kidney stones. Spinach has a high oxalic acid content, so you should not eat too much at one time. In addition, those with spleen deficiency and loose stools should not eat too much.