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单词 datiscin
释义

datiscinn.

Brit. /dəˈtɪsɪn/, U.S. /dəˈtɪsɪn/
Forms: 1800s– datiscin, 1800s– datiscine.
Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: Datisca n., -in suffix1.
Etymology: < Datisca n. + -in suffix1, after French datiscine (attributed to A. M. Ampère by H. Brannacot, reported in Précis des travaux de la Société Royale des Sci. de Nancy 1816–18 (1819) 31).
Chemistry.
A crystalline compound extracted from the leaves and root of bastard hemp, Datisca cannabina, occasionally used as a yellow dye.Datiscin is a glucoside of datiscetin. Formula: C21H22O12.
ΘΚΠ
the world > matter > colour > named colours > yellow or yellowness > colouring matter > [noun] > dyes and dyestuffs
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1835 G. T. Burnett Outl. Bot. II. 562 A crystalline principle has been procured by its analysis, which resembles Inuline, and has been called Cannabine or Datiscine; it has been used to dye yellow.
1894 Jrnl. Soc. Dyers & Colourists 10 13/2 Datiscin forms almost colourless crystals, which melt at about 190°.
1934 C. C. Steele Introd. Plant Biochem. iii. viii. 78 There follows a list of plant disaccharides with their structure... Flavonols datiscin, rutin.
2010 Planta 231 507 Rutinose has been found previously as a/the glycoside part of several flavonoid glycosides, e.g. rutin, also of datiscin, the main flavonoid of Datisca cannabina.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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n.1835
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