Analisis Kadar Kofein Kopi Luwak Dengan Variasi Jenis Kopi, Spesies Luwak Dan Cara Pengolahan Dengan Metoda TlC Scanner

Caffeine analysis from Luwak coffee in different types of coffees, Luwak species and processed by using TLC Scanner method had been done. 8 samples of Luwak coffee, that is R.Ab.K ; R.Ab.B ; R.Ph.K ; R.Ph.B ; A.Ab.K ; A.Ab.B ; A.Ph.K ; A.Ph.B which were extracted by dichloromethane (DCM). TLC separation had been done through stationary phase with silica gel GF 254 and mobile phase are solute of dichloromethane (DCM) : methanol (9,5 : 0,5). Caffeine content had been counted by using regression equality y = 2715,112 + 4,389x and giving percentage in succession 1,91 ; 2,04 ; 1,30 ; 1,89 ; 1,29 ; 1,45 ; 1,25 ; 1,42 %. The highest of caffeine had been given by Robusta coffee which has been given before to A. binturong luwak and processed wetly 2,04 %. The lowest of caffeine content had been given to Arabica coffee which has been given before to P . hermophroditus luwak 1,25 %. Three way – Anova statistic SPSS 21 tabulation had showed the result that the kind of coffee, variety of Luwak and the way of processing gave significant value toward caffeine content in p < 0,05.