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单词 pharbitin
释义

pharbitinn.

Brit. /fɑːˈbʌɪtɪn/, U.S. /fɑrˈbaɪdᵻn/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Pharbitis , -in suffix1.
Etymology: < scientific Latin †Pharbitis, former genus name (M. J. D. Choisy in Mém. Soc. Phys. de Genève (1833) 6 438: see note) + -in suffix1. Compare earlier pharbitisin n.Scientific Latin†Pharbitis is derived by Choisy from Greek ϕαρβη colour, but no such Greek word has been traced, and it is possible that Choisy, who was Swiss and presumably familiar with German, may have been under the mistaken impression that German Farbe ‘colour’ derived from Greek. The second element probably represents scientific Latin -itis -ite suffix1.
Chemistry.
A glycosidal resin obtained from the seeds of a morning glory, Ipomoea (formerly Pharbitis) nil, to which their purgative properties were formerly attributed.
ΘΚΠ
the world > health and disease > healing > medicines or physic > medicines for specific purpose > cleansing or expelling medicines > [noun] > purgative > plant-derived
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rhubarbc1390
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senec1400
turpethc1400
coloquintc1420
diagrydium1436
lignum aloes1525
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xylaloes1540
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scilla1548
hyera?1550
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tragonce1575
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lignum aquilae1600
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diaprune1625
alhandal1630
makinboy1652
luskard1653
diagrydiate1657
physic nut1657
aloetic1661
scammoniate1665
jalap1675
aloedary1683
coloquinto1683
Briançon manna1688
liquorice powder1712
coloquintid1732
castor oil1746
senna-tea1752
higry pigry1773
Turkey rhubarb1789
argel1803
hickery-pickery1816
cathartin1823
aloin1828
croton oil1829
jalapin1832
syrmaea1833
bryonin1836
gambogic acid1837
Podophyllum1844
podophyllin1851
geropiga1852
hicra picra1857
Montpellier turpeth1860
picra1860
tallicoona oil1866
scammonin1868
pharbitisin1873
cascara sagrada1879
senna-draught1879
tambor-oil1890
syrup of figs1897
pharbitin1899
1899 New Sydenham Soc. Lexicon Pharbitin, same as Pharbetisin.
1970 Tetrahedron Lett. No. 36. 3123 The purgative ‘resin glycosides’ such as pharbitin..and convolvulin..are commonly found in the Convolvulaceae plants and regarded as complex glycolipids.
1990 Chem. & Pharmaceut. Bull. 38 1892/1 Asahina and his co-workers..reported that alkaline hydrolysis of the crude glycoside named pharbitin gave..an organic acid called nilic acid..and a glycosidic acid named pharbitic acid.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1899
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