单词 | ruberythric |
释义 | ruberythricadj. Chemistry. ruberythric acid n. a yellow crystalline compound isolated from madder root.Ruberythric acid is a diglucoside of alizarin. Formula: C26H28O14. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > from roots verdous acid1836 virginic acid1837 krameric acid1838 angelic acid1843 ruberythric acid1852 rubianic acid1855 cellulic acid1859 1852 Chem. Gaz. 15 Jan. 21 A very pale yellow liquid passes through, which contains the sulphuric, phosphoric, citric, traces of ruberythric and rubichloric acids. 1875 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxviii. 427 Alizarine, the colouring principle of madder, is contained in the root as a glucoside (called ruberythric acid). 1948 W. W. Pigman Chem. Carbohydrates xi. 470 The presence of these glucosides along with the ruberythric acid in madder is the probable explanation for the well-known color difference between the natural and the synthetic alizarin. 1998 D. S. Seigler Plant Secondary Metabolism vi. 87/1 Ruberythric acid, a diglucoside, can be converted to alizarin by hydrolysis. This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022). < adj.1852 |
随便看 |
英语词典包含1132095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。