Coffee bean such fatty acids – 3-methyl-valeric acid (sour, green-herbaceous, unpleasant odor), acetaldehyde (pungent-nauseating odor, even when highly diluted, present in dried green coffee beans at concentrations of about 5 mg/kg), propanal (choking effect on respiratory system, penetrating-nauseating), butanal (nauseating effect, present in dried green coffee beans at 2 to 7 mg/kg), or pentanal (very repulsive nauseating effect). Coffee bean A coffee bean is a seed of the coffee plant and the source for coffee. It is the pit inside the red or purple fruit often referred to as a cherry. Just like ordinary cherries, the coffee fruit is also a so-called
Coffee bean beans are a major cash crop and an important export product, counting for over 50% of some developing nations' foreign exchange earnings. According to popular legend, the coffee plant was discovered in Ethiopia by a goatherd named Kaldi. South America is now responsible for about 45% of the world's total coffee exports. Most of this coffee is grown in Brazil. The United States imports more coffee than any other nation. The per capita consumption of coffee in the United States in 2011 was 4.24 kg (9 lbs), and the value of coffee imported exceeded $8 billion. As of 2015, Americans