Minyak Atsiri, Perbandingan Kadarnya Pada Rimpang Temulawak (Curcuma Xanthorrhiza Roxb.) Yang Dikeringkan Dengan Metode Sinar Matahari Dan Oven Beserta Profil Kromatografi Gas Spektrometri Massa (Kgsm)

Curcuma xanthorrhiza Roxb is a crop from Zingiberaceae family that historically has enough wide traditional use in around of Indonesian people. One of the important process in preparation of simplicia Curcuma xanthorrhiza Roxb. rhizome is drying process, where the process influence the quantity or quality volatile oil level of Curcuma xanthorrhiza Roxb. rhizome. The aim of this research was to find out the volatile oil level on Curcuma xanthorrhiza Roxb. rhizome by oven and drying sunshine. Result of volatile oil of Curcuma xanthorrhiza Roxb. rhizome at drying sunshine was 0.14% v/w whereas at drying oven was 0.28% v/w. Obtained result from t test analysis indicated the existence of mean difference, this indicated from t value more than t table. Later perform qualitative analysis of volatile oil with Gas Chromatography Mass Spectrometer with helium as mobile phase and phenyl metil syloksan as stationary phase. This research result indicated that volatile oil of Curcuma xanthorrhiza Roxb. from solar drying consist of 28 chemical constituents. The top five components of the essential oil were cineole, camphor, alpha curcumin, androsta, dan alpha chamigren. Volatile oil from oven drying consists of 33 chemical constituents. The top five components of the essential oil were camphor, alpha curcumin, androsta, germacron and alpha chamigren. Key word : essential oils, Curcuma xanthorrhiza Roxb. rhizome, drying, GCMS