Contents - Biological screening methods in the search for pharmacologically active natural products; applications of liquid chromatography/UV/MS and liquid chromatography/NMR for the on-line identification of plant metabolites; applications of modern NMR techniques in the structural elucidation of bioactive natural products; bioactive secondary metabolites from selected mexican medicinal plants - recent progress; flavonoids as cancer chemopreventive agents and anti-tumor drugs.
