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nucin 胡桃酮 胡桃酮 Nucin \Nu"cin\, n. [L. nux, nucis, a nut.] (Chem.)
See {Juglone}. [1913 Webster] Nucleal Juglone \Ju"glone\, n. [L. juglans the walnut -one.] (Chem.) A yellow crystalline substance ({C10H6O3}) resembling quinone, extracted from green shucks of the walnut ({Juglans regia}); -- called also {nucin}. Chemically, it is 5-hydroxy-1,4-naphthalenedione. [1913 Webster]
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