The tactile impression of weight and texture in the mouth. Coffees may be watery, thin, slight, light, medium, full, heavy, thick, or even syrupy in body, as well as buttery, oily, rich, smooth, chewy, etc., in texture. Easiest to detect in full-strength coffee. Not a common description. Coffees from Central America and Brazil have only about one percent caffeine in the green beans.
Caffeine is desired sometimes merely because of it's stimulating properties.
It stimulates the heart, the central nervous and respiratory systems. Also, it is a mild diuretic. Caffeine has a negative impact on some people so it must be removed. One of the follow processes used. The green beans are softened by water and steam.