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 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]
Look at other dictionaries:
- C16H18O10 — fraxi frax"i, . [From {Fraxius}.] (Chem.) A colorless crystallie substace ({C16H18O10}) foud i the bark of the ash ({Fraxius}), ad alog with esculi i the bark of the horse-chestut. It is structurally a derivative of a coumari… (The Collaborative International Dictionary of English)
- fraxin — fraxi frax"i, . [From {Fraxius}.] (Chem.) A colorless crystallie substace ({C16H18O10}) foud i the bark of the ash ({Fraxius}), ad alog with esculi i the bark of the horse-chestut. It is structurally a derivative of a coumari… (The Collaborative International Dictionary of English)
- paviin — fraxi frax"i, . [From {Fraxius}.] (Chem.) A colorless crystallie substace ({C16H18O10}) foud i the bark of the ash ({Fraxius}), ad alog with esculi i the bark of the horse-chestut. It is structurally a derivative of a coumari… (The Collaborative International Dictionary of English)