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单词 rhaponticin
释义

rhaponticinn.

Brit. /rəˈpɒntᵻsɪn/, U.S. /rəˈpɑn(t)əsɪn/
Forms: 1800s– rhaponticin, 1800s– rhaponticine.
Origin: A borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: Latin rhaponticum , -in suffix1.
Etymology: < post-classical Latin rhaponticum (see rhapontic n.) + -in suffix1, after German Rhaponticin (G. L. Hornemann 1822, in Berlinisches Jahrb. f. die Pharm. 23 280).
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.
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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).
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n.1834
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