Kale contains a lot of folic acid, which can prevent macular degeneration and is a natural sunglasses. In addition, the content of β -carotene is equivalent to that of carrot, which can be converted into vitamin A in vivo, promoting the production of rhodopsin and preventing night blindness and eye fatigue.
2. Strengthen skin mucosa and enhance immunity.
Collagen accounts for about 30% of protein. As an adhesive between cells, it maintains the health of skin, blood vessels and bones. Vitamin C is an indispensable raw material for producing collagen. Akiko Ichima, a Japanese nutrition manager, pointed out that the vitamin C content of kale is equivalent to that of broccoli and more than that of lemon of the same weight. Rich β -carotene can not only help restore vision, but also protect the health of skin and mucosa, build a protective wall and isolate the invasion of pathogenic bacteria.
3. Prevention of lifestyle diseases
A study by Yonsei University in Korea showed that 32 patients with hyperlipidemia drank kale beverage 12 weeks continuously, which not only increased good cholesterol, but also decreased bad cholesterol, decreased body mass index and waist circumference, and effectively relieved cardiovascular diseases. The Western Research Center of the United States Department of Agriculture also pointed out that kale can hinder the absorption of cholesterol, thus reducing the chance of arteriosclerosis.
The world-famous pharmaceutical company Concord Fermentation Biology Co., Ltd. also found that kale can prevent diabetes. In addition, kale with high potassium content can eliminate excess salt and water in the body, which is a sharp weapon to eliminate edema and improve hypertension, but patients with kidney disease should eat it in moderation.
Strengthen bones and teeth
Kale said that compared with milk, kale has higher calcium content, containing 150 mg per100 g. In addition, high content of vitamin K can prevent osteoporosis.
eliminate constipation
Modern people's diet is unbalanced, and dietary fiber intake is often insufficient, which will cause long-term constipation, loss of appetite, abdominal pain and other symptoms over time. Kale is rich in dietary fiber, more than brown rice, which can promote intestinal peristalsis and reorganize intestinal environment.
? The easiest way to eat lettuce salad is to use a little olive oil to make it healthier. Those who are afraid of hardship can add bananas, soybean milk and appropriate amount of honey to make vegetable juice, which is popular among adults and children. Or put a little olive oil (or sesame oil) mixed with salt on the kale and bake it in the oven 180 degrees 15 minutes or so. Crispy cabbage slices are the best healthy snacks! Kale is a member of Cruciferae. Cabbage, cauliflower and cabbage are close relatives. Because it contains β-carotene, vitamin C, vitamin E, vitamin K, calcium, iron, potassium and other nutrients, plus high fiber and low calorie, it has the reputation of "king of yellow-green vegetables".
? Why is kale so popular? Kale is a cruciferous plant originating in Europe and a horticultural variety of cabbage. The structure and shape are very similar to Chinese cabbage, but the center of kale is not rolled up. Mainly distributed in temperate regions, there are many varieties, both ornamental and vegetable.