| 释义 |
flavonol Chem.|ˈfleɪ-, ˈflævənɒl|
[a. G. flavonol (von Kostanecki & Tambor 1895, in Ber. d. Deut. Chem. Ges. XXVIII. 2303), f. flavone + -ol.]
a. 3-Hydroxyflavone, C15H10O3, a colourless crystalline flavone derivative.
b. Any of the derivatives of this compound, many of which are yellow plant pigments.
1898Jrnl. Chem. Soc. LXXIV. i. 327 Morin differs from quercetin and other flavonol derivatives in colour. 1922Encycl. Brit. XXX. 478/1 A number of flavonol compounds has been found to exist in plants in the sugar free condition. 1949[see flavonoid]. 1951A. Grollman Pharmacol. & Therapeutics xxvii. 611 The therapeutic value of rutin and other flavonols (hesperidin, eriodictin, citrin) is still disputed. 1959E. H. Rodd Chem. Carbon Compounds IVb. viii. 906 Many of the ubiquitous yellow colouring materials found in nature are derivatives of flavonol, 3-hydroxyflavone. |