juglone [化] 胡桃醌; 5-羟-1,4-萘醌
[医] 胡桃酮, 黑栗素
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.