Spinach efficacy and role and nutritional value

Spinach is an excellent source of vitamin B6, folic acid, iron and potassium. What is the nutritional value of spinach? What is the effect and role of spinach? Let's take a look!

The nutritional value of spinach

Spinach contains a large amount of beta-carotene and iron and is an excellent source of vitamin B6, folic acid, iron and potassium. The rich iron has an ameliorating effect on iron-deficiency anemia. It can make people look ruddy and shine, and is therefore respected as a beauty product. The spinach leaves contain chromium and an insulin-like substance, which is very similar to insulin and can stabilize blood sugar. Rich B vitamins make it possible to prevent vitamin deficiency such as angular cheilitis and night blindness. Spinach contains a large number of antioxidants such as vitamin E and selenium, which have anti-aging effects and promote cell proliferation. They both activate brain function and increase youthful vitality, helping prevent aging of the brain and preventing Alzheimer's disease. A Harvard University study also found that middle-aged and elderly people who eat 2 to 4 times a week of spinach can reduce the risk of retinal degeneration through the intake of vitamin A and carotene, thus protecting eyesight.

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The effect and function of spinach

1. Intestinal guide, prevent acne

Spinach contains a lot of plant crude fiber, has the role of promoting intestinal peristalsis, which is conducive to defecation, and can promote pancreatic secretion and help digestion. For acne, chronic pancreatitis, constipation, anal fissure and other diseases have a therapeutic effect.

2. Promote growth and development and enhance disease resistance

The carotenoids contained in spinach are converted into vitamin A in the human body to maintain normal vision and the health of epithelial cells, increase the ability to prevent infectious diseases, and promote the growth and development of children.

3. Guarantee nutrition and promote health

Spinach is rich in carotene, vitamin C, calcium, phosphorus and a certain amount of iron, vitamin E and other beneficial ingredients, can provide a variety of nutrients for the human body; its iron, iron deficiency anemia has a good auxiliary Therapeutic effect.

4. Promote human metabolism

The trace elements contained in spinach can promote the body's metabolism and improve the health of the body. Eating large quantities of spinach reduces the risk of stroke.

5. Clean skin, anti-aging

The spinach extract has the effect of promoting the proliferation of cultured cells, and it is both anti-aging and enhances youthful vitality. Chinese folk spinach smashed juice, wash your face several times a week for a period of time, can clean the skin pores, reduce wrinkles and pigment spots, keep the skin smooth.

How to choose spinach

Spinach is divided into two types: round leaf spinach and pointed leaf spinach according to leaf shape. The leaves of spinach are narrow and thin, and they resemble an arrow. The leaves are smooth and the petioles are slender. The leaves of spinach are large and thick, with atrophy, oval or elliptic, petiole short and thick, and good quality.

Good quality: fresh green color, no yellow leaves and variegated leaves; plants robust, neat and continuous, bundled into bundles; no mud on the root, no debris in the bundle; no bolting, no rotten leaves.

Sub-quality: dark color, leaves softly collapsed, not fresh; mud on the roots, bundles of debris; plants are incomplete, there is damage broken.

Inferior quality: The bolting flowering is unclean, there are insect pest leaves and downy mildew leaves; there are dead yellow leaves and rotten leaves.

How to eat spinach

Spinach contains oxalic acid, oxalic acid and calcium combined easy to form, calcium oxalate, it will affect the body's calcium absorption. Before eating spinach, it can be boiled with boiled water or boiled with water, then marinated, fried or souped. This can preserve the nutrients of spinach and remove more than 80% of oxalic acid.

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