The method is as follows: (Take purple cabbage as an example) 1. The outermost leaves of cabbage are generally thin and damaged. First peel off one or two layers until you see smooth and intact leaves, and then wash the cabbage.

Clean and cut it in half from the center.

2. Cut off the white cabbage heart, paying attention to the angle.

3. When cutting next, do not press down, but drag the knife back and forth. In addition, the kitchen knife must be fast, so that the small squares cut out will not deform and can maintain their original shape and have a good appearance.

The main values ??of purple cabbage: 1. The amount of vitamin C contained in 200 grams of cabbage is twice that of an orange.

In addition, this vegetable can also provide the human body with a certain amount of important antioxidants: vitamin E and vitamin A precursor (β-carrot). These antioxidant ingredients can protect the body from free radical damage and have

Helps cell renewal.

It has the effect of strengthening the body, and regular consumption can enhance people's vitality.

2. Cabbage is a type of vegetable that can strengthen the body.

Purple cabbage is rich in sulfur. The main function of this element is to kill insects and relieve itching. It has certain curative effects on various skin itching, eczema and other diseases. Therefore, eating this type of vegetable regularly is very beneficial to maintaining skin health.

Information expansion: (1) Purple cabbage is also called red cabbage, purple cabbage or purple fennel white, commonly known as purple cabbage. (2) The purple cabbage plant is about 50 cm wide and has about 20 outer leaves. The leaves are nearly round and long.

About 33 cm, about 30 cm wide, purple-red, slightly green near the veins, dark red in the middle ribs, white powder on the leaf surface, oblate leaf bulb, about 12 cm high, about 20 cm in transverse diameter, purple-red and shiny,

Leaf balls weigh 1.5 to 2 kilograms.

(3) Cabbage is a semi-cold-resistant vegetable and likes cool climates.

The temperature of 20-25℃ is suitable for the growth of outer leaves.

Entering the balling stage, the suitable humidity is 15~25℃.

Purple cabbage has strong cold resistance and can withstand short-term low temperatures of -5 to -7°C.

Cabbage is a long-day plant. It forms leaf balls in the first year and completes vernalization in the next year under low temperature conditions of 2 to 6°C. When encountering long-day conditions, it can bolt, bloom, and bear fruit.

Cabbage requires a lot of water, and the largest amount of nutrients is nitrogen fertilizer.

Although it has a wide adaptability to soil, sandy loam or clayey loam with deep, fertile soil and good drainage is best.