| 释义 |
emodin Chem.|ˈɛmədɪn|
[f. mod.L. (Rheum) Emodi, an obs. name for Turkey rhubarb (from Gr. Ἠµωδός the Himalaya) + -in.]
A constituent of rhubarb root, obtained by treating chrysophanic acid with benzol. Its formula is C40H30O13 (Watts Dict. Chem.).
1858De la Rue & Müller in Q. Jrnl. Chem. Soc. X. 305 This substance for which..we propose the name of Emodin, is of a bright deep orange colour. |
