Wednesday, March 25, 2009

Main article: Coffea

Noted as one of the world’s largest, most valuable legally traded commodities (after oil), coffee has become a vital cash crop for many Third World countries. Over one hundred million people in developing countries have become dependent on coffee as their primary source of income (Ponte 1). Coffee has become the primary export and backbone for African countries like Uganda, Burundi, Rwanda, and Ethiopia as well as many Central American countries.(1)

The Coffea plant is native to subtropical Africa and southern Asia. It belongs to a genus of ten species of flowering plants of the family Rubiaceae. It is an evergreen shrub or small tree that may grow 5 meters tall when unpruned. The leaves are dark green and glossy, usually 100–150 milimeters long and 60 milimeters wide. It produces clusters of fragrant white flowers that bloom simultaneously. The fruit berry is oval, about 15 milimeters long, and green when immature, but ripens to yellow, then crimson, becoming black on drying. Each berry usually contains two seeds, but from 5–10% of the berries have only one; these are called peaberries.[26] Berries ripen in seven to nine months.Coffee is a brewed beverage prepared from roasted seeds, commonly called coffee beans, of the coffee plant. Caffeinated coffee has a stimulating effect in humans. Today, coffee is one of the most popular beverages worldwide.

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