C16H18O10
fraxin frax"in, n. [From {Fraxinus}.] (Chem.) A colorless crystalline substance ({C16H18O10}) found in the bark of the ash ({Fraxinus}), and along with esculin in the bark of the horse-chestnut. It is structurally a derivative of a coumarin glucoside. It shows a delicate blue-green fluorescence in alkaline solutions; -- called also {paviin} and {fraxoside}. --MI-11br/

Syn:

8-([beta]-D-Glucopyranosyloxy)-7-hydroxy-6-methoxy-2H-1-benzopyran-2-one; also, 7,8-dihydroxy-6-methoxy-coumarin-8-[beta]-D-glucoside; fraxetin-8-glucoside. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • fraxin — frax in, n. [From {Fraxinus}.] (Chem.) A colorless crystalline substance ({C16H18O10}) found in the bark of the ash ({Fraxinus}), and along with esculin in the bark of the horse chestnut. It is structurally a derivative of a coumarin glucoside.… …   The Collaborative International Dictionary of English

  • fraxoside — fraxin frax in, n. [From {Fraxinus}.] (Chem.) A colorless crystalline substance ({C16H18O10}) found in the bark of the ash ({Fraxinus}), and along with esculin in the bark of the horse chestnut. It is structurally a derivative of a coumarin… …   The Collaborative International Dictionary of English

  • paviin — fraxin frax in, n. [From {Fraxinus}.] (Chem.) A colorless crystalline substance ({C16H18O10}) found in the bark of the ash ({Fraxinus}), and along with esculin in the bark of the horse chestnut. It is structurally a derivative of a coumarin… …   The Collaborative International Dictionary of English

  • Фраксин — С6Н18О10 глюкозид, встречающийся в небольших количествах в соке ясеня (манна), равно как в коре Fraxinus excelsior, Fr. ornus, Aesculus Hippocastanus и др. Для получения Ф. кору в период цветения собирают и вываривают с водой; раствор осаждают… …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

  • Fraxin — Strukturformel Allgemeines Name Fraxin Andere Namen 8 (β D Glucopyran …   Deutsch Wikipedia

  • fraxin — ˈfraksə̇n noun ( s) Etymology: International Scientific Vocabulary frax (from Latin fraxinus) + in; originally formed in German : a bitter yellowish crystalline glucoside C16H18O10 found especially in the bark of the ash and the horse chestnut …   Useful english dictionary

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