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1 definition found
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]
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