Yes, broccoli must be blanched before cooking, in order to maintain the color of the vegetable, as well as to get rid of odor, astringency and oxalic acid.

Nutritional value of broccoli

The nutrients in broccoli are not only high in content, but also very comprehensive, mainly including proteins, carbohydrates, fats, minerals, vitamin C, and carotene. According to the analysis, every 100 grams of fresh broccoli flower ball, containing protein 3.5 grams ~ 4.5 grams, 3 times as much as cauliflower, 4 times as much as tomato. In addition, the mineral composition of broccoli is more comprehensive than other vegetables, calcium, phosphorus, iron, potassium, zinc, manganese and other content is very rich, much higher than the same belongs to the cruciferous family of cabbage flowers.

Many people think that tomatoes, chili peppers, etc. are the richest vegetables containing vitamin C. In fact, the vitamin C content of broccoli is higher than all of them, and is also significantly higher than that of other common vegetables. Moreover, broccoli has a very complete range of vitamins, especially rich in folic acid, which is also an important reason why its nutritional value is higher than that of ordinary vegetables.

Vitamin K in broccoli can maintain the toughness of blood vessels, which are not easy to break. Some people's skin will become blue and purple once they are hit by small bumps and injuries, which is due to the lack of vitamin K in the body. The best way to supplement is to eat more broccoli.

Cauliflower's vitamin C content is extremely high, not only is conducive to human growth and development, but more importantly, it can improve the body's immune function, promote liver detoxification, enhance the human body, increase the ability to resist disease, and improve the immune function of the human organism.

High levels of vitamin C have a strong scavenging effect on free radicals, especially on carcinogens - the formation of amine nitrite has a significant blocking effect.

Particularly effective in the prevention and treatment of gastric cancer and breast cancer, research has shown that the level of serum selenium in the human body decreases significantly when suffering from gastric cancer, and the concentration of vitamin C in the gastric juice is also significantly lower than that of normal people. Cauliflower not only supplements a certain amount of selenium and vitamin C to the human body, but also supplies a rich supply of carotenoids, which can play the role of preventing pre-cancerous lesions from forming cells, and inhibit the growth of cancerous tumors.

Reference link: broccoli