High in caffeine and low in flavor. Grown between sea level and 2,000 feet and processed using the dry method. Produced primarily in Africa and South East Asia. Robusta is cheap to process and used by commercial coffee companies as bases for instant coffee. A method that uses less finely-ground beans.
Water is put in coffee and left to drip.
Beans grown at lower altitudes mature more quickly and produce a lighter, more porous bean. A single shot of espresso. See also Doppio . Different from acidity, sometimes associated with over-fermented coffee. It becomes flat and has a cardboard taste.