Kaempferol is a natural that has been isolated from , , , , , , and other plant sources. Kaempferol is a yellow crystalline solid with a melting point of 276-278 °C. It is slightly soluble in water but soluble in hot and .
Many of kaempferol, such as and , have been isolated as natural products from plants. Kaempferol consumption in tea and broccoli has been associated with reduced risk of heart disease.
Kaempferol is what gives the flowers of and their color. The compound has antidepressant properties.
An 8-year study found that three (kaempferol, , and ) reduced the risk of by 23 percent.
cancer researchers have found that study participants who ate foods containing certain flavonoids seemed to be protected from developing lung cancer. Dr. Zuo-Feng Zhang, of the UCLA's Jonsson Cancer Center and a professor of public health and epidemiology at the UCLA School of Public Health said the flavonoids that appeared to be the most protective included , found in strawberries and green and black teas; kaempferol, found in brussel sprouts and apples; and quercetin, found in beans, onions and apples
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