Juglone

Ju´glone

(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.

juglone

[′jəg‚lōn] (organic chemistry) C₁₀H₆O₃ A naphthoquinone derivative that occurs naturally in black walnuts and is toxic to plants.

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