Paviin

2 definitions 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]

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

  Paviin \Pa"vi*in\ (p[=a]"v[i^]*[i^]n), n. (Chem.)
     A glucoside found in species of the genus {Pavia} of the
     Horse-chestnut family.
     [1913 Webster]