A study case on coffee (Coffea arabica): Limu Coffe - IRD
A study case on coffee (Coffea arabica): Limu Coffe - IRD
A study case on coffee (Coffea arabica): Limu Coffe - IRD
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Both <strong>coffee</strong>s graduati<strong>on</strong><br />
Grade Total value (Raw value + Cup quality value)<br />
Grade 1 91-100<br />
Grade 2 81-90<br />
Grade 3 71-80<br />
Grade 4 63-70<br />
Grade 5 58-62<br />
Grade 6 50-57<br />
Grade 7 40-49<br />
Grade 8 31-39<br />
Grade 9 20-30<br />
Table 16: Corresp<strong>on</strong>ding grades (Ethiopian Commodity Exchange Authority)<br />
<strong>Coffe</strong>es which do not meet these requirements are c<strong>on</strong>sidered as substandard:<br />
Under grade <strong>coffee</strong><br />
Local/domestic <strong>coffee</strong><br />
Under<br />
grade<br />
This <strong>coffee</strong> basically doesn’t fit to any of the<br />
known Ethiopian exportable <strong>coffee</strong>s because of<br />
the presence of defects. Bean sizes are not<br />
uniform.<br />
This <strong>coffee</strong> is very inferior in quality and even<br />
cannot fit to under grade <strong>coffee</strong> because of the<br />
presence of impurities. Sometimes less<br />
impurity <strong>coffee</strong> can be classified in this group<br />
if the <strong>coffee</strong> is stored for a l<strong>on</strong>g period and<br />
loses its flavour.<br />
Local/domestic use<br />
Grade 1 Grade 2 Grade 3 Grade 4<br />
Total value 15-19 < 15 < 15 < 15 < 15<br />
Sound beans (% of weight) < 50 > 15 11-15 5-10 < 5<br />
Flavour Fair Comm<strong>on</strong>ish - - -<br />
Table 17: Lower grade <strong>coffee</strong>s (Ethiopia Commodity Exchange Authority)<br />
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