Aplica？？es da cultura de tecidos em plantas medicinais

the aim of this literature review is to conduct a survey concerning the history and current situation of tissue culture techniques in medicinal plants. therefore, a review was done considering the period from 1976 to 2009. tissue culture is widely applied in medicinal plants researches, especially micropropagation. the perspectives of tissue culture techniques in medicinal plants are related to the development of competitive germoplasm adapted to diverse methods of cultivation, the election of new species that will serve as source of biological active composts, and the improvement of phytochemicals production, in order to assure sustainable exploration of these species.