Abstract :
This study aims to determine the effect of robusta coffee roasting time on the level
of consumer preference. The research was carried out at Sumbersari House, Tegal
Gede, Jember. This study used a non-factorial randomized block design (RAK)
consisting of 5 treatments, namely P1 = Roasting Time 5 minutes, P2 = Roasting
Time 7 minutes, P3 = Roasting Time 9 minutes, P4 = Roasting Time 11 minutes,
P5 = Roasting Time 13 minute. Parameters observed were aroma, taste, color,
aftertase, viscosity. Observational data were analyzed using the 5% level BNT
test. Observations were made involving 100 panelists. The results showed that
robusta coffee roasting time had a very significant effect on consumer preferences
for aroma, taste, color, aftertaste, and viscosity.
Keywords: Time, Robusta Coffee, Roasting.