A
coffee bean is the seed of the
coffee plant (the
pit inside the red or purple fruit). Even though they are seeds, they are referred to as 'beans' because of their resemblance. The fruits, coffee cherries or coffee berries, most commonly contain two stones with their flat sides together. In a crop of coffee, a small percentage of cherries contain a single bean, instead of the usual two. This is called a
peaberry. Coffee beans consist mostly of
endosperm that contains 0.8 - 2.5 %
caffeine, which is one of the main reasons the plants are cultivated. As
coffee is one of the world's most widely consumed beverages, coffee beans are a major
cash crop, and an important
export product for some countries. It is considered a regularly consumed beverage in the United States - as popular as soft drinks and even water - and because of the volume consumed, it is there that coffee is highest in demand.
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