Antiandrogens in the environment which are members of the cabbage family. The compound N-butylbenzenesulfonamide (NBBS) isolated from the bark of "Prunus africana", the Subsaharan red stinkwood tree, is a specific androgen antagonist and has been used as alternative medicine in benign prostatic hyperplasia. Licorice, or "Glycyrrhiza glabra" native to southern Europe, India, and parts of Asia has shown antiandrogen activity in male rats. Antiandrogens in the environment Antiandrogens in the environment have become a topic of concern. Many industrial chemicals, including phthalates and pesticides exhibit antiandrogen activity in animal experiments. Certain plant species have also been found to produce antiandrogens. In animal studies, environmental
Cyanea glabra hawaiiense", "Pipturus albidus", "Coprosma" spp., "Wikstroemia oahuensis", "Clermontia kakeana", "Psychotria" spp., "Sadleria" spp., "Cyrtandra spathulata", "Touchardia latifolia", "Freycinetia arborea", and "Cyanea elliptica". The remaining 12 plants are part of one population divided into two subpopulations. Threats to the species include exotic plants, feral pigs, and landslides. Cyanea glabra Cyanea glabra is a rare species of flowering plant in the bellflower family known by the common name smooth cyanea. It is endemic to Maui, where there are twelve plants remaining in the wild. It was federally listed as an endangered species of the United States with nine other Maui Nui endemics