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
English coffeehouses in the 17th and 18th centuries they were an alternate sphere, supplementary to the university. Political groups frequently used coffeehouses as meeting places. Europeans first learned about coffee consumption and practise through accounts of exotic travels to "oriental" empires of Asia. According to Markman Ellis, travellers accounted for how men would consume an intoxicating liquor, "black in colour and made by infusing the powdered berry of a plant that flourished in Arabia." Native men consumed this liquid "all day long and far into the night, with no apparent desire for sleep but with mind and body continuously alert, men talked and argued, finding in the hot