单词 | rhaponticin |
释义 | rhaponticinn. Chemistry. A yellow crystalline compound present in the root of a wild rhubarb, Rheum rhaponticum, and in some other plants.Rhaponticin is a glucoside related to stilbene. Chemical name: 4′-methoxy-3,3′,5-stilbenetriol 3-glucoside; C21H24O9. ΘΚΠ the world > matter > chemistry > organic chemistry > carbohydrates > sugars > [noun] > glycosides > named > others jalapin1832 rhaponticin1834 struthiin1835 menyanthin1842 quercitric acid1844 rhodeoretin1845 helicin1848 rutic acid1848 morindin1849 panaquilon1858 galactoside1862 parillic acid1864 thujin1868 digitoxin1875 margarin1878 naringin1879 teucrin1881 condurangin1885 scopolin1885 linamarin1892 arabinoside1893 picein1894 rhamnoside1894 mannoside1897 saponaretin1905 pentoside1910 prunitrin1910 prunasin1912 leucoanthocyanin1920 pyranoside1930 stevioside1931 furanoside1932 hecogenin1943 1834 J. D. Morries in G. Graves Hortus Medicus 245 Rhaponticine and Rhein, the latter found by Vaudin, seem to throw no light on what is the active principle of rhubarb. 1905 Proc. Amer. Pharmaceut. Assoc. at 53rd Ann. Meeting 627 Rhapontic rhubarb..is characterized by containing a magnificently crystalline, colorless glucoside, rhaponticin..present in the roots to the amount of about 1.42 per cent. 1947 Amer. Jrnl. Bot. 34 401/2 Tests for rhaponticin were carried out. 1999 D. Ingram & N. Robertson Plant Dis. iii. 62 Trees of this species [sc. Sitka spruce] have been shown to contain high levels of the stilbene glucosides astringin and rhaponticin. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1834 |
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