单词 | maticin |
释义 | maticinn. Chemistry. A bitter substance obtained from the leaves of the matico plant. ΘΚΠ the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun] quassin1819 colocynthin1830 plumbagin1830 colocynthite1838 quassite1838 amarine1839 rhamnin1843 maticin1844 limonin1845 serpentarin1847 rubian1848 humulin1854 pinipicrin1859 ilicin1861 physalin1863 scrophularin1868 lobelacrin1874 berberia1876 berberine1876 citrulline1882 tigline1900 1844 J. F. Hodges in London, Edinb., & Dublin Philos. Mag. 25 206 A yellowish-brown extractive matter, maticine, remained. 1871 H. Watts tr. L. Gmelin Hand-bk. Chem. XVIII. 234 Maticin.—Obtained from the leaves of the matico plant. 1906 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. III. 195/2 Maticin, a bitter substance which remains dissolved in the water in the retort in the preparation of the essential oil of matico by distilling the leaves of Piper asperifolium with steam. 1989 Merck Index (ed. 11) 902/2 Matico... Constit. 1–3.5% volatile oil, maticin (a bitter principle); artanthic acid, tannin, mucilage, resin. This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022). < n.1844 |
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