1. Cauliflower is a nutritious vegetable. Scientists have found anti-cancer material on the surface of its leaves. Researchers at the Johns Hopkins University School of Medicine in Baltimore have found a chemical called iso thiocyanates in cauliflower leaves. Scientists have found that to reduce the risk of colon cancer by half, you need to eat about two pounds of cauliflower and similar vegetables a week. Scientists also say that eating a little more than an ounce of cauliflower leaves a week can halve the risk of cancer in the body. Another study found that the application of iso thiocyanates extracted from cauliflower leaves reduced the size and number of breast tumors , which could lead to cancer. 2. Cauliflower leaves are rich in Vitamin A, Calcium , Nutrition and Iron. 3. It contains about one and a half times more calcium than black squash , 3 times more green squash , twice as much red squash , 6 times more lentils , 6 times more pomegranate and jute , 6 times more spinach and stalk , 25 times more mulberry and 5 times more cow's milk. There are more. 4. Cauliflower leaves have much more iron than almost any food. For example, 4 times more iron than green spinach , 1.5 times more than stalk spinach , 10 times more than kalmishak, 12 times more than radish and 5 times more than spinach . Food energy is also much higher than almost all vegetables. There is plenty of vitamin 'A'. Each 100 grams of edible cauliflower leaves contain 626 mg of calcium and 40 mg of iron. Cauliflower contains more iron than potatoes , radishes , sweet pumpkins , eggplants , tomatoes , chickpeas and squid. However, this nutritious cauliflower depends on the variety and place of production.