In ancient China, people called spinach "red-billed green Ying Ge", also known as Persian food and red-rooted food. Compendium of Materia Medica holds that eating spinach can "dredge the blood vessels, open the chest and diaphragm, lower the qi, regulate the middle energizer, quench thirst and moisten dryness." Ancient Arabs also called it "the fifth vegetable". Spinach not only contains a lot of? Carotene and iron are also excellent sources of vitamin B6, folic acid, iron and potassium. Spinach contains considerable protein, and each 0.5 kg of spinach is equivalent to the protein content of two eggs. Spinach is also rich in enzymes.

Spinach is also called spinach and Persian grass. Use leaves and tender stems for food. Originally from Persia, it was cultivated 2000 years ago. Later, it spread to North Africa, and from the Moors to countries such as Western Europe and Spain. Spinach was introduced into the Tang Dynasty in 647. Spinach has developed taproots, red fleshy roots and sweet and edible taste. Spinach is a cold-tolerant vegetable and a long-day plant. In the north of China, there are also people who sow in winter and harvest in spring, commonly known as burying their heads in spinach.

Spinach stems and leaves are soft, tender, delicious and fresh, and rich in vitamin C, carotene, protein, iron, calcium, phosphorus and other minerals. Spinach contains a lot of β -carotene and iron, and it is also an excellent source of vitamin B6, folic acid, iron and potassium. Among them, rich iron can improve iron deficiency anemia and make people look rosy and radiant, so it is praised as a beauty product. Spinach leaves contain chromium and an insulin-like substance, which is very similar to insulin and can keep blood sugar stable. Rich B vitamins can prevent the occurrence of vitamin deficiency such as angular stomatitis and night blindness. Spinach contains a lot of antioxidants, such as vitamin E and selenium, which have anti-aging and cell proliferation effects. It can not only activate brain function, but also enhance youthful vitality, which is helpful to prevent brain aging and Alzheimer's disease.

We can also tell whether spinach is real or not. The root of real spinach is red and thicker than that of fake spinach, but it is very moist and easy to break when pinched. The root of fake spinach is green, although it is very thin, but it is not easy to break. In addition, you can also tell from the leaves that the leaves of real spinach are smooth and the leaves of fake spinach are serrated.