Coffee beans are known as grains obtained from tropical perennial plants (coffee trees), phonologically very variable, which, toasted and ground, are used mainly to prepare and drink as an infusion. Coffee beans are known as grains obtained from tropical perennial plants (coffee trees), morphologically very variable, which, toasted and ground, are used mainly to prepare and drink as an infusion.   The genus belongs to the family Rubiaceae ( Rubiaceae ), which has around 500 genera and more than 6000 species, mostly trees, and shrubs. They are mainly of tropical origin, and of wide distribution, they belong to medicinal plants such as ipecacuanha ( Psychotria ipecacuanha), or Cinchona spp., From which quinine is extracted. Taxonomically, all these plants are classified as of the genus Coffea and are characterized by a slit in the central part of the seed. They are found from small shrubs to trees of more than 10 m .; its leaves, which are simple, opposite a...