Elufioye works as a professor at the University of Ibadan in the department of pharmacognosy. The college includes departments of pharmacology, pharmaceutics, pharmacognosy, pharmaceutical chemistry and pharmaceutical microbiology. The journal publishes articles on the subject of pharmacognosy, natural products, and phytochemistry. Tropical biology, ecology, conservation, pharmacognosy, ecotourism, etc. Master of science degrees are offered in biopharmaceutical sciences, medicinal chemistry, pharmacognosy and pharmacy administration. The "Pharmacognosy" is the best known of his treatises. It has been the official journal of the American Society of Pharmacognosy since 1961. Prior to the 1950s, every pharmacy student learned about crude drugs in pharmacognosy class. In this book the term "pharmacognosy" is originally coined. Phcog.net (Pharmacognosy Network Worldwide) appeared on Beall's list from October 2012 through September 12, 2015. In pharmacognosy, folk medicines are first tested in clinical trials for efficacy. It is co-published by the American Society of Pharmacognosy and the American Chemical Society. Pharmacognosy Reviews is a peer-reviewed open-access medical journal published on behalf of the Phcog.net. Pharmacognosy is the branch of modern medicine about medicines from plant sources. Pharmacognosy provides the tools to identify, select and process natural products destined for medicinal use.