Purpose
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Plumbagin or 5-hydroxy-2-methyl-1,4-naphthoquinone is an organic compound with the chemical formula C 11H 8O 3. It is regarded as a toxin[1] and it is genotoxic[2] and mutagenic.[3] Plumbagin is a yellow dye,[1] formally derived from naphthoquinone. It is named after the plant genus Plumbago, from which it was originally isolated.[4] It is also commonly found in the carnivorous plant genera Drosera and Nepenthes.[5][6] It is also a component of the black walnut drupe
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