CD Skripsi
Efektivitas Lama Penyangraian Terhadap Karakteristik Fisikokimia Dan Mutu Sensori Kawa Daun Kopi Robusta Cv. Kiniko Batusangkar
Robusta coffee leaf kawa is a traditional drink made from pruned Robusta coffee leaves, made into a drink that is almost similar to coffee drinks. The coffee leaves used are often processed with a roasting process that serves to shape the flavor and aromaof the brewed kawaleaves. This studyaims to get the best roasting time on the physicochemical characteristics and quality of robusta leaf kawa that is suitable for consumption. The research treatment used a temperature of 60ºC with roasting time L1 (5 minutes), L2 (10 minutes), L3 (15 minutes), and L4 (20 minutes). The observation parameters in this study were moisture content, ash content, acidity (pH), antioxidant activity, color of steeping leaves with colorimetry, descriptive and hedonic sensory assessment of color, aroma, taste, and aftertaste. The data obtained were analyzed statistically using analysis of variance (ANOVA) and continued by Duncan Multiple Range Test (DMRT) at 5% level. The results showed that the selected roasting time was in the L3 treatment, namely with a roasting time of 15 minutes, the results obtained moisture content of 8,56%, ash content of 7,42%, acidity (pH) 6,53, antioxidant activity with an IC50 value of 0,69 µg/ml (very strong), color test with colorimetry namely brightness value (L*) 25,64, reddish value (a*) -0,18, yellowish value (b*) 0,03, descriptive test namely color 3,26 (brownish green), aroma 3,23 (leaf and coffee aroma), taste 3,47 (bitter), aftertaste 3,57 (slightly astringent), hedonic test on color was liked, but aroma and taste were kinda liked by panelists.
Keyword: kawa leaf, roasting time, robusta coffee.
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