单词 | caffeic |
释义 | caffeicadj. Chemistry. Of or pertaining to coffee; esp. in caffeic acid n. (C9H8O4) a substance found in brilliant yellowish prisms or plates. ΘΚΠ the world > food and drink > drink > coffee > [adjective] caffeic1853 decaf1981 1853 Pharm. Jrnl. & Trans. 13 383 Caffeic acid is precipitated. 1876 J. Harley Royle's Man. Materia Med. (ed. 6) 547 Caffeic acid is an astringent acid. 1880 Cope's Tobacco Plant Oct. 539 First Subdivision.—Caffeïc Aliments: Coffee, Tea, Maté, Guarana, and the rest. DerivativesCategories » ˈcaffeidine n. an uncrystallizable base (C7H12N4O), produced by the action of alkalies on caffeine. Categories » caffeone n. /ˈkæfiːəʊn/ the aromatic principle of coffee, a brown aromatic volatile oil, produced in the roasting of coffee berries. caffeˈtannate n. a salt of ΚΠ 1863 H. Watts Dict. Chem. I. 710 The caffetannates are but little known. caffeˈtannic acid n. an astringent acid found in coffee berries, Paraguay tea, and other plants. ΚΠ 1863 H. Watts Dict. Chem. I. 709 Caffetannic acid colours ferric salts green. This entry has not yet been fully updated (first published 1888; most recently modified version published online March 2019). < adj.1853 |
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