Introduction - research need; secondary plant products in nature; tools and techniques; production of anti-tumour compounds; production of food additives; production of insecticides; production in culture - optimization; production in culture - selection; hormonal autonomy and secondary metabolites; production under stress; production of alkaloids; production of steroids and saponins; mechanisms and control; detoxification of secondary metabolites; bioconversion of secondary metabolites; genetic transformation for production; large-scale production in bioreactors; medicinal plants.