Intresting Coffee Facts Home Coffee Machines Coffee Beans Coffee RegionsCentral/South AmericaAfrica and ArabiaAsia and Pacific Rim Coffee Brands History of Coffee Coffee Facts LinksBlogMarch 2013February 2013 Contact Us Some Interesting Facts about Coffee Coffee is one the second actively traded product after oil, with around 20 million people working in the coffee industry. There are around 70 coffee producing countries around the world with Brazil being the largest, which produces around 28 percent of the total world output. Contrary to what some people believe, coffee does not grow as a bean but as a red cherry carrying two beans. There are over 60 different varieties of coffee but only two varieties are used for trading; Arabica and Robusta. Caffeinated coffee has a beneficial effect on alertness and is known to boost performance. Black Coffee does not contain any calories,(as long as milk and sugar is not added). A good coffee tree can produce up to 1 kg of raw coffee per year but needs temperatures between 17º and 23º as well as good rainfall and good soil conditions. Coffee trees only grow in tropical and sub-tropical regions. When the coffee beans go through roasting process, the sugars in the beans start to caramelise. It takes 5 years for a coffee tree to reach maturity. The first coffee house opened in Venice in 1683.