出典:Wiktionary
From Kaempfer + -ol. Named after 17th-century German naturalist Engelbert Kaempfer.
kaempferol (countable かつ uncountable, 複数形 kaempferols)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/13 03:06 UTC 版)
Kaempferol is a natural flavonol, a type of flavonoid, that has been isolated from tea, broccoli, Delphinium, Witch-hazel, grapefruit, brussels sprouts, apples 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 ethanol and diethyl ether.