Botany articles    Importance of medicinal plants   Importance
of medicinal plants  Active principles of medicinal plants
Plants are extremely useful for us. On the one hand they provide
us with the oxygen we need to be able to breathe. But
furthermore they contribute with nutrients through food. The use
of the plants as food has been a search from the beginnings of
the humanity, looking for the differences among those species
that were foods from the ones that were not it. In this search,
man has experimented with plants in his own body and has seen
how what he thought was food was in fact a mortal poison.
Throughout history the civilizations have moved around the
plants, living beings who have influenced a lot in humanity. The
conservation of the seeds in cooked mud allowed to get free of
the harvesting of wild plants and the invention of agriculture
with the consequent progressive disappearance of the nomadic
cultures. The search of species allowed the discovery of the
American continent and the appea