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
International Union for the Protection of New Varieties of Plants that UPOV's focus on patents for plant varieties hurts farmers, in that it does not allow them to use saved seed or that of protected varieties. Countries with strong farmers' rights, such as India, cannot comply to all aspects of UPOV. François Meienberg is of this opinion, and writes that the UPOV system has disadvantages, especially for developing countries, and that "at some point, protection starts to thwart development". On the other hand, Rolf Jördens argues that plant variety protection is necessary. He believes that by joining UPOV, developing countries will have more access to new and improved varieties (better