单词 | theobroma |
释义 | Theobroman. Botany. A genus of low trees, of which one species, Theobroma Cacao, a native of tropical America, and now naturalized in other warm countries, is the source of cocoa and chocolate. ΘΚΠ the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > edible pods, seeds, leaves, or flowers > [noun] > cocoa-bean > cocoa plant cacao1604 cacao tree1640 cocoa1670 chocolate1688 chocolate tree1688 cocoa tree1698 Theobroma1760 cacao bush1839 forastero1858 criollo1955 1737 C. Linnaeus Genera Plant. 367 Polyadelphia. 1. Pentandria. Theobroma.] 1760 J. Lee Introd. Bot. App. 298/2 Chocolate-nut, Theobroma. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxxi. 479 In..Theobroma or Chocolate..it [sc. the nectary] is Bell-shaped. 1871 A. B. Garrod Essentials Materia Medica (new ed.) 194 Oil of Theobroma... Cacao Butter. A concrete oil obtained by expression and heat from the ground seeds of Theobroma Cacao. Derivatives theoˈbromic adj. Chemistry in theobromic acid (see quots.). ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > miscellaneous others rheumic acid1816 arabic acida1836 rubiacic acid1835 aspartic acid1836 sylvic acid1836 tannic acid1836 oenanthic acid1837 gummic acid1838 retinic acid1838 roccellic acid1838 rubinic acid1838 lobelic acid1840 polychromatic acid1840 rhabarbaric acid1840 roccelline1840 humic1844 sumbulolic acid1844 isatic acid1845 opianic acid1845 parthenic acid1845 polychromic acid1847 styphnic acid1848 metapectic acid1849 tanningenic acid1852 jalapic acid1853 jalapinolic acid1855 sinapic acid1857 amalic acid1863 phycic acid1864 filicic acid1865 isamic acid1865 tannocaffeic acidc1865 tricarballylic acid1865 guaiaretic acid1866 pectous acid1866 phytomelin1866 porphyric acid1866 thujetic acid1868 turpetholic acid1868 viridic acid1868 rheotannic acid1869 arabinic acid1870 frangulic1872 sclerotic acid1876 theobromic acid1878 gynocardic acid1897 chaulmoogric acid1904 1878 Kingzett in Jrnl. Chem. Soc. XXXIII. 44 I propose for it the name of Theobromic acid, which recalls the source from which it is obtained, namely, the fat of the seeds of Theobroma Cacao. 1881 H. Watts Dict. Chem. VIII. 1922 Theobromic acid, C64H128O2. This acid, the highest known member of the fatty series, has been obtained..from cacao~butter. theobromine n. /θiːəʊˈbrəʊmaɪn/ a bitter volatile alkaloid, C7H8N4O2, resembling caffeine, contained in the seeds of the cacao tree. ΘΚΠ the world > matter > chemistry > organic chemistry > alkaloids > [noun] > caffeine > substance resembling theobromine1842 1842 Penny Cycl. XXIV. 313/2 The analysis of Theobromine by Woskresensky shows..that this article [chocolate]..must be highly nutritious. 1887 C. A. Moloney Sketch Forestry W. Afr. 165 They contain a very appreciable quantity of theobromine, which assists the action of caffein and possesses similar properties to that base. This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2018). < n.1760 |
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