| 单词 |
emodin |
| 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. |

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