When all the wavelengths of the visible light spectrum strike your eye at the same time, white is perceived. The sensation of white is not the result of a single color of light. Rather, the sensation of white is the result of a mixture of two or more colors of light.
What you maybe did not know, is that only 30 grams of broccoli leaves, which you probably throw away, contain 90% of the required daily doses of vitamin A, which is very important for improving the sight and immune system. There are also 43% of the required daily doses of vitamin C, in those 30 grams of leaves.
Broccoli provides many such flavonoids in significant amounts, including the flavonoids kaempferol and quercitin. Also concentrated in broccoli are the carotenoids lutein, zeaxanthin, and beta-carotene. All three of these carotenoids function as key antioxidants.ecent studies have also provided us with a much better idea about the amount of broccoli that we need to lower our cancer risk. At the lower end of the spectrum, it looks like an average of 1/2 cup of broccoli per dayâonly 22 calories' worth of broccoli!âis enough to provide some measurable benefits.