| 单词 |
kaempferol |
| 释义 |
kaempferol Chem.|ˈkæ-, ˈkɛmpfərɒl|
Also kampherol |ˈkæmfərɒl|.
[f. mod.L. Kaempferia, generic name of the plant (K. galanga) from which it was first obtained, f. the name of Engelbert Kaempfer (1651–1716), German physician and traveller: see -ol.]
A yellow crystalline flavonoid, C15H10O6, that occurs alone and in glycosides in various plants; 3,4′, 5,7-tetrahydroxyflavone.
1897H. M. Gordin On Crystallised Substances contained in Galangal Root (Dissertation, Univ. of Berne) 37 Demethylised kampherid or kampherol as we agreed to call it crystallises from alcohol in light yellow needles. It contains one molecule of water of crystallisation. 1900Proc. Chem. Soc. XVI. 183 The colouring matter has properties resembling those assigned to kampherol. 1923Nature 17 Nov. 747/2 Four different species of Acacia..have been examined... The water soluble yellow pigment was a glucoside of kæmpferol. 1963Brit. Pharmaceutical Codex 718 The drug [sc. senna leaf] also contains rhein, aloe-emodin, kæmpferol and isorhamnetin in the free state and combined as glycosides. 1969Kirk & Othmer Encycl. Chem. Technol. (ed. 2) XIX. 743 China tea, C. sinensis, contains relatively large amounts of triglycosides of quercetin and kaempferol. |
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