Graded by physical differences, the de-husked green beans are separated using sieves to enable density separation. Based on this analysis, 9 different grades are produced with AA being the flag bearer of the bold, heavy and larger beans. 80% of our crop is comprised of premium quality grade, namely AA, AB, and PB. At this stage, export coffee is differentiated from auction coffee based on quality analysis results and grades.
Quantities
20 litres tins of coffee
On average, for the 2009 and 2010 season, Burka saw 380’000 “debes” (20 litres tins in Kiswahili) of red ripe coffee cherries. Of these, 80% on Burka Estate is green parchment 1 grade deemed for export, and 78% on Selian Estate. On average, the estate produced 11% of AA-grade, 62% AB-grade, 4% of Pea Berries (PB-grade), and another 23% of Ungraded Berries (UG).
