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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 fraxin
 白蠟樹□; 秦皮□

From: Webster's Revised Unabridged Dictionary (1913)

 frax·in n.  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-(β-D-Glucopyranosyloxy)-7-hydroxy-6-methoxy-2H-1-benzopyran-2-one; also, 7,8-dihydroxy-6-methoxy-coumarin-8-β-D-glucoside; fraxetin-8-glucoside.
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