良質咖啡(fei),因品種和工藝不同而呈(cheng)棕色到深褐色,組織狀態(tai)為2毫米左右大(da)小的(de)不規(gui)則(ze)顆(ke)粒,夾(jia)雜有(you)(you)部分細(xi)粉末(mo);劣質咖啡(fei),色澤深暗,有(you)(you)的(de)呈(cheng)鐵黑色,組織狀態(tai)上因受潮或(huo)其他(ta)原(yuan)因而有(you)(you)結(jie)塊、結(jie)團現(xian)象。
良質咖(ka)啡,溶(rong)解完(wan)全(quan),湯汁(zhi)色棕紅(hong)而明(ming)亮(liang),具有(you)(you)(you)濃(nong)郁的咖(ka)啡香,加糖(tang)后(hou)具有(you)(you)(you)適(shi)口的苦味(wei)(wei)(wei)和(he)酸味(wei)(wei)(wei),風味(wei)(wei)(wei)爽直;劣(lie)質咖(ka)啡,溶(rong)解后(hou)杯(bei)底有(you)(you)(you)沉淀物,湯汁(zhi)顏色偏暗(an),香氣淡(dan)且(qie)焦糊味(wei)(wei)(wei)濃(nong),加糖(tang)后(hou)苦味(wei)(wei)(wei)和(he)酸味(wei)(wei)(wei)均濃(nong)重,尤其是回味(wei)(wei)(wei)辛苦。