Pengolahan Kopi Instan Berbahan Baku Kopi Lokal Buleleng, Bali (Campuran Robusta dan Arabika)

Abstract

Coffee is potential commodity in Indonesia, however most of instant coffee are imported. The purpose of this study is to produce instant coffee from Buleleng local coffee (Robusta and Arabica blend) and to recognize quality of this instant coffee. The blended ratio of Robusta_Arabica was 100:0, 80:20, 70:30, 60:40, and 0:100, extracted with ratio of coffee_ water of 1:4, 1:6 and 1:8 by weight (g) per volume (ml). The product was analyzed to water content, juice, ash, reducing volatile substance (VRS), pH, and organoleptic tests. Experimental design used in this study is factorial completely randomized with two factor, Robusta_Arabica blend (A) and ratio of coffee_water for extraction (B). The results showed that the Buleleng local coffee have appropriate characteristics to be processed into instant coffee. A and B treatments had resulted product with different quality. The best instant coffee was 70 % Robusta and 30 % Arabica with ratio of coffee_water of 1:8. The product had 6.11 % moisture content, 11,96 % ash, 81.27 % juice, 12.35 meq VRS, and 5.80 pH.