helleboreinn.

Brit.

/hɛlᵻˈbɔːrɪɪn/, U.S.

/ˌhɛləˈbɔriɪn/,

/ˌhɛləˈbɔri(ə)n/

Forms: 1800s helleboreïn, 1800s– helleborein.

Origin: A borrowing from German. Etymon: German Helleborëin.

Etymology: < German Helleborëin (A. Husemann & W. Marmé 1865, in Ann. der Chem. u. Pharm. 135 56) < scientific Latin Helleborus , genus name (see hellebore n.) + German -ëin -ein suffix.

Chemistry. Now rare.

A toxic alkaloid present in several species of hellebore (genus Helleborus), esp. black hellebore, H. niger.Helleborein is a cardiac glycoside. Formula: C₃₇H₅₆O₁₈.

ΘΚΠ

the world > matter > chemistry > organic chemistry > alkaloids > [noun] > miscellaneous other

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1871 H. Watts tr. L. Gmelin Hand-bk. Chem. XVIII. 127 Helleboreïn... A glucoside from the roots of Helleborus niger and H. viridis.

1905 Philos. Trans. (Royal Soc.) B. 197 371 He computed that such an action was..20 times as powerful as that of helleborein.

1935 Chem. Rev. 17 206 Sieburg..made the further interesting observation that in addition to its digitaloid properties, helleborein also possesses weak saponin-like characteristics.

1962 A. R. Clapham et al. Flora Brit. Isles 59 All the hellebores have a burning taste and are highly poisonous owing to the presence of the glycosides helleborin and helleborein.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	helleborein
释义	helleboreinn. Brit. /hɛlᵻˈbɔːrɪɪn/, U.S. /ˌhɛləˈbɔriɪn/, /ˌhɛləˈbɔri(ə)n/ Forms: 1800s helleboreïn, 1800s– helleborein. Origin: A borrowing from German. Etymon: German Helleborëin. Etymology: < German Helleborëin (A. Husemann & W. Marmé 1865, in Ann. der Chem. u. Pharm. 135 56) < scientific Latin Helleborus , genus name (see hellebore n.) + German -ëin -ein suffix. Chemistry. Now rare. A toxic alkaloid present in several species of hellebore (genus Helleborus), esp. black hellebore, H. niger.Helleborein is a cardiac glycoside. Formula: C₃₇H₅₆O₁₈. ΘΚΠ the world > matter > chemistry > organic chemistry > alkaloids > [noun] > miscellaneous other daturia1820 piperine1820 opiane1824 daturine1825 aconitine1826 serpentaria1829 solania1830 fagine1833 aconitia1834 buxine1836 porphyroxine1838 surinamine1838 staphisaïne1842 lobeline1844 passiflorine1846 aricine1847 arnicine1847 harmaline1847 papaverine1848 pelosine1851 colchicine1853 helleborin1853 parvoline1855 punicin1855 aconella1864 fluavil1864 physostigmine1864 herapathite1865 ratanhine1868 sipeerine1868 staphisagrine1868 codamine1870 rhoeagenine1870 aconelline1871 helleborein1871 helleboresin1871 helleboretin1871 meconidine1871 napelline1871 hyoscine1872 porphyrine1872 septicine1872 paytine1873 reducine1875 hydrastine1876 pelosia1876 veratralbia1876 aconine1878 piturine1878 paytamine1879 skatol1879 tropidine1879 pelletierine1881 thalictrine1881 tetano-cannabine1883 cupreine1884 scopoleine1885 trigonelline1886 hydrastinine1887 jaborine1887 scopoline1887 apomorphine1888 imperialine1888 tetanine1888 tongine1890 guvacine1891 veratralbine1891 veratroidine1891 scopolamine1892 corybulbine1893 corycavine1893 corytuberine1893 septentrionaline1894 theophylline1894 pellotine1895 yohimbenine1897 ibogaine1902 scopine1923 nornicotine1927 norephedrine1929 pyrrolizidine alkaloid1951 psilocin1958 psilocybin1958 sodide1977 1871 H. Watts tr. L. Gmelin Hand-bk. Chem. XVIII. 127 Helleboreïn... A glucoside from the roots of Helleborus niger and H. viridis. 1905 Philos. Trans. (Royal Soc.) B. 197 371 He computed that such an action was..20 times as powerful as that of helleborein. 1935 Chem. Rev. 17 206 Sieburg..made the further interesting observation that in addition to its digitaloid properties, helleborein also possesses weak saponin-like characteristics. 1962 A. R. Clapham et al. Flora Brit. Isles 59 All the hellebores have a burning taste and are highly poisonous owing to the presence of the glycosides helleborin and helleborein. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1871
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