单词 | guaranin |
释义 | guaraninn. Chemistry. A crystalline principle contained in guarana, and regarded by some as identical with caffeine. ΘΚΠ the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > others amygdalin1651 asparagine1813 ambrein1820 aloin1828 orcin1833 anemonin1838 guaranin1838 helenin1838 puteanic acid1838 styracin1838 alloxanic acid1839 roccelline1840 sinapisine1840 lilacine1842 syringin1843 orsellic acid1848 roccellinin1848 rhamnetin1858 sapogenin1862 frangulin1864 phycite1864 fisetin1865 nucin1866 phlorone1866 piperonal1869 apiol1872 stercorin1873 juglone1878 orcinol1880 kinoin1881 ursone1885 iridin1894 saponarin1902 sambunigrin1905 lepton1921 leuco-taxin1937 lotaustralin1938 ionophore1955 1838 T. Thomson Chem. Org. Bodies 291 Guaranina. This substance was discovered by Theod. Martius, in the guarana. 1841 W. T. Brande Man. Chem. 1230/2 Guaranin [obtained] from the fruit of the Paullinia sorbilis, by Martius. 1880 Libr. Universal Knowl. VII. 134 The essential crystallizable principle is said to be identical with caffeine, but has received the name of guaranine. This entry has not yet been fully updated (first published 1900; most recently modified version published online December 2020). < |
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