请输入您要查询的英文单词:

 

单词 flavonol
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.
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/13 8:37:30