Compound Monograph
Beta-lapachone
An ortho-naphthoquinone from Tabebuia (pau d'arco) bark with reported anticancer activity.
Classification
Beta-lapachone is one of the quinones, part of the phenolics class. Antioxidant compounds built around one or more phenol rings — the flavonoids, tannins, phenolic acids, coumarins, and pigments behind much of a plant's protective chemistry.
Where Does It Come From? (1)
Beta-lapachone is one of the quinones, found in Pau D'Arco. It is flagged as moderately toxic.