A bitter compound isolated from the wood of Quassia amara and Picrasma excelsa (see quassia, n. 1), with insecticidal, antipyretic, and other…
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| 单词 | θ70056 |
| 释义 | the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun] (30) quassin1819 A bitter compound isolated from the wood of Quassia amara and Picrasma excelsa (see quassia, n. 1), with insecticidal, antipyretic, and other… colocynthin1830 The bitter principle of colocynth, resembling a semi-transparent resin, and readily soluble in alcohol. plumbagin1830 A bitter, yellow, crystalline compound, present in the roots of plants of the genus Plumbago; 5-hydroxy-2-methyl-1,4-naphthoquinone, C11H8O3. colocynthite1838 = colocynthin, n. quassite1838 = quassin, n. amarine1839 A name proposed for various bitter vegetable principles; spec. applied to the alkaloid (C21H18N2) resulting from the action of ammonia on essence of… rhamnin1843 A yellow colouring matter obtained from the berries of common or purging buckthorn, Rhamnus cathartica, containing flavonoid glycosides; (also) = rham… maticin1844 A bitter substance obtained from the leaves of the matico plant. limonin1845 (See quot.) Also (rare) limone. serpentarin1847 A bitter substance obtained from serpentary root. rubian1848 A brownish-yellow resinous substance isolated from madder root, subsequently shown to consist of a mixture of glycosides of alizarin and other… humulin1854 The bitter aromatic principle of the hop; lupulin. pinipicrin1859 A bitter glucoside, C22H36O11, obtained from the needles and bark of the Scots pine, Pinus sylvestris, and the leaves of the American arbor vitae, Th… ilicin1861 the non-nitrogenous bitter principle of the holly. physalin1863 A red carotenoid pigment, C72H116O4, that is the bitter principle of the Chinese lantern plant, Physalis alkekengi; zeaxanthin dipalmitate. Also: any… scrophularin1868 A bitter substance obtained from Scrophularia nodosa (knotted figwort). lobelacrin1874 An acrid principle found in the leaves of Lobelia inflata. berberia1876 a yellow bitter principle, obtained from the barberry and other plants. berberine1876 citrulline1882 Chemistry and Medicine. Usually citrullin. A resinous substance extracted from the rind of the colocynth or bitter apple, Citrullus colocynthis… tigline1900 (see quot. 1900). Subcategories:— crystallizable or crystalline (8) — non-crystallizable (1) |
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