Coffea subg. Coffea
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Coffea racemosa
Coffea stenophylla
Coffea mauritiana
Coffea liberica
Coffea canephora (Robusta Coffee)
Coffea arabica
Coffee
Coffee is a brewed beverage with a distinct aroma and flavor, prepared from the roasted seeds of the Coffea plant. The seeds are found in coffee "cherries", which grow on trees cultivated in over 70 countries , primarily in equatorial Latin America , Southeast Asia , India and Africa . Green (unroasted) coffee is one of the most traded agricultural commodities in the world. [ 1 ] Coffee is slightly acidic (pH 5.0–5.1 [ 2 ] ) and can have a stimulating effect on humans because of its caffeine content. It is one of the most consumed drinks in the world. [ 3 ]
