1. 
   Juglone
   Ju'glone noun [ Latin jugl ans the walnut + -one .] (Chemistry) A yellow crystalline substance resembling quinone, extracted from green shucks of the walnut ( Juglans regia ); -- called also nucin .
   Found op http://www.encyclo.co.uk/webster/J/15
   
   
2. 
   juglone
   <chemistry> A yellow crystalline substance resembling quinone, extracted from green shucks of the walnut (Juglans regia). ... Synonym: nucin. ... Origin: L. Juglans the walnut + -one. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?juglone
   
   
3. 
   Juglone
   • (n.) A yellow crystalline substance resembling quinone, extracted from green shucks of the walnut (Juglans regia); -- called also nucin.
   Found op http://thinkexist.com/dictionary/meaning/juglone/
   
   
4. 
   Juglone
   Juglone, also called 5-hydroxy-1,4-naphthalenedione (IUPAC) or 5-hydroxynaphthoquinone, is an organic compound with the molecular formula C10H6O3. In the food industry, juglone is also known as C.I. Natural Brown 7 and C.I. 75500. Other names in industry are Nucin, Regianin, NCI 2323, and Oil Red B...
   Found op http://en.wikipedia.org/wiki/Juglone
   
   

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