Abstract
Coffee is known as one of the most popular beverages around the world. Coffee belongs to the botanical family Rubiaceae and genus coffea. The two most economically important species are C. arabica (arabica coffee) and C. canephora (robusta coffee).The health benefits of coffee are due to presence of many biologically active components such as caffeine, chlorogenic acid, nicotinic acid, quinolinic acid, trigonelline, tannic acid, and pyrogolic acid. The postharvest processing of coffee cherry involves dry or wet processing, grading, sorting, marketing, blending, and roasting. A series of physical and chemical changes occur during coffee roasting that are responsible for the development of pleasant aroma and flavour of coffee. Key words: Arabica; Coffee cherry; Roasting; Robusta; Rubiacea.
Highlights
Coffee is one of the most popular beverages consumed w idely around the world
The coffee belongs to botanical family Rubiaceae having about 500 genera and over 6000 species (Ukers, 1922)
Coffee belongs to genus Coffea, w hich is the most economically important member of the Rubiaceae family (Murthy; Naidu, 2012) .Coffee is grown in tropical and subtropical regions of Central and South America, South East Asia, and Africa (Schenker, 2000).When harvested, t he coffee fruits are called coffee cherries
Summary
Coffee is one of the most popular beverages consumed w idely around the world. Nearly 25 million farmers in 50 countries around the world depend on coffee as a significant part of their lives (Cague et al, 2009). Coffee belongs to genus Coffea, w hich is the most economically important member of the Rubiaceae family (Murthy; Naidu, 2012) .Coffee is grown in tropical and subtropical regions of Central and South America, South East Asia, and Africa (Schenker, 2000).When harvested, t he coffee fruits are called coffee cherries. Coffee pods are naturally grown i n the shade of African forests, including the islands of Madagascar and Mauritius (the latter formerly known as one of the Mascarene Islands), and cultivated in tropical areas such a s equatorial Africa, Java, Sumatra, and other islands of the Dutch East Indies, West Indies, India, Arabia, the islands of the Pacific, Mexico, and Central and South America (Davis et al, 2 007; Ukers, 1922). The leading coffee producing countries in the world include Brazil, Vietnam, Colombia, Indonesia, Ethiopia, and India (Davis et al, 2006)
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