Coffee is the product of plants in the genus Coffea, with C.robusta and C.arabica being the two types used for coffee production. It is believed that coffee originated in Ethiopia. Coffee spread to Europe and became an extremelypopular beverage in the 1600s. Depending on how coffee is handled and where it is grown, it has a variety of flavor. Coffees can be roasted for varying amounts of time, making special scent, and have differing levels of caffeine, the chemical compounds or mixture which makes coffee such a popular drink.