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
History of coffee have used it as a stimulant or known about it there earlier than the seventeenth century. The original domesticated coffee plant is said to have been from Harar, and the native population is thought to be derived from Ethiopia with distinct nearby populations in Sudan and Kenya. Coffee was primarily consumed in the Islamic world where it originated and was directly related to religious practices. For example, coffee helped its consumers fast in the day and stay awake at night, during the Muslim celebration of Ramadan. Another account involves a 9th-century Ethiopian goat-herder, Kaldi, who, noticing the energizing effects when