英语词汇“Datisca”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Datisca
释义	‖ Datisca Bot.\|dəˈtɪskə\| [mod.L. (Linnæus gives no source).] The name of a genus of monochlamydeous exogens (family Datiscaceæ); D. cannabina, the Cretan or Bastard Hemp-plant, is indigenous to Nepaul and the Levant; its leaves contain a colouring matter known as datisca-yellow, used in dyeing silk, etc. Hence daˈtiscin, a glucoside, C₂₁H₂₂O₁₂, allied to salicin, obtained from the leaves and root of Datisca. daˈtiscetin, C₁₅H₁₀O₆, a crystalline product of the decomposition of datiscin. 1863–72Watts Dict. Chem. II. 306 The leaves contain a peculiar colouring matter, datisca-yellow.Ibid. 307 Pure datiscin forms colourless silky needles..By boiling with strong potash-ley, it is decomposed with formation of datiscetin.
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