Medicinal Plants and Phytomedicines. Linking Plant Biochemistry and Physiology to Human Health

The past decade has witnessed a tremendous resurgence in the interest and use of medicinal plant products, especially in North America. Surveys of plant medicinal usage by the American public have shown an increase from just about 3% of the population in 1991 to over 37% in 1998 ([Brevoort, 1998][1