Last year Aleco and I were traveling in RwandaA Bourbon cultivar variant from Rwanda and Burundi. Bourbon coffees are named for the island in the India Ocean where French colonists grew it. Some history from the..., and made a shocking discovery in the Western district of Nyamasheke. We found that potatoes were actually being processed along with coffee. (see photographic evidence) Hence all the research to find where the off taste of potato defectA cup taint with the strong smell of raw potato, caused by a bacteria that then triggers a pyrazine reaction, resulting in the off flavor. This affects coffees... in coffees from the Lake Kivu area, and theories about antestia insect dame, fungus, and the chemicals generated from the response of the coffee plant itself to attack, they all are for naught. Remove the potatoes from the coffee processingThe removal of the cherry and parchment from the coffee seed.: Coffee is either wet-processed (also called washed or wet-milled) or dry-processed (also called wild, natural or natural... system, and the potato defectIn coffee, a defect refers to specific preparation problems with the green coffee, or a flavor problem found in the cupping process. Bad seeds in the green coffee... will disappear! Why do people have to make everything so complicated. – Tom