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单词 rutin
释义

rutinn.

Brit. /ˈruːtɪn/, U.S. /ˈrudɪn/
Forms:

α. 1800s– rutin.

β. 1800s– rutine.

Origin: A borrowing from German. Etymon: German Rutin.
Etymology: < German Rutin (A. Weiss 1842, in Pharm. Centralbl. 13 903) < classical Latin rūta (see rue n.2) + German -in -in suffix1. The substance is so called on account of its occurrence in common rue.With the β. forms perhaps compare French rutine (1844 or earlier).
Chemistry.
A yellow crystalline acidic compound which is found in common rue, buckwheat, capers, and other plants and has antioxidant activity and various physiological effects, including the reduction of blood pressure and vascular permeability.Rutin is a glycoside of the flavonoid pigment quercetin. Formula: C27H30O16.
ΘΚΠ
the world > health and disease > healing > medicines or physic > medicines for specific purpose > preparations treating or preventing specific ailments > [noun] > for blood-pressure disorders > plant-derived
rutin1845
veratridine1907
rauwolfia1950
Raudixin1953
Rauwiloid1953
reserpine1953
1845 Chemist 6 346/1 A crystalline body is contained in the ruta graveolens, which was first observed by Dr. Weiss, and called rutin by the same chemist.
1860 Mem. Literary & Philos. Soc. Manch. 2nd Ser. 15 128 A comparison of the properties and composition of this substance with those of Rutine or Rutic Acid..leads to the conclusion that they are identical.
1895 Naturalist 24 The leaves contain a considerable quantity of a tannin which..seems associated with rutin.
1948 H. K. Wilson Grain Crops xiv. 259 It appears that the increased use of rutin may result in buckwheat becoming an important cash crop.
1967 Times Rev. Industry Feb. 118/1 (advt.) High blood pressure? Rutin, the natural product, has helped thousands of sufferers.
1981 National Times (Austral.) 29 Mar. 24/3 (advt.) Rutin factory for sale $142,000.
2002 Nature 17 Oct. 713/1 These four P450 genes are not universally inducible by all allelochemicals of host plants; for example, gossypol, quercetin and rutin do not induce their transcription.
This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).
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n.1845
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