Abstract
Vetiver oil is a type of essential oil extracted from the vetiver plant's roots. Vetiver oil is commonly used as a major odor contributor in the fragrance and aromatherapy industry. This study aimed to isolation khusimol compound from vetiver oil, which will be used as a marker and determine khusimol content in various drying times after harvesting. The target compound was found in the combination of fraction 3 (GF-3). Furthermore, GF-3 was subfractionated by classical column chromatography. Structure elucidation of isolate X was performed by NMR. 1H-NMR and 13C-NMR data of isolate X as the same as 1H-NMR and 13C-NMR data of khusimol compound in literature. Molecular formula of khusimol C15H24O. Khusimol content in extract with various drying times after harvest time 0 hr, 6 hr, 12 hr, 24 hr, 36 hr and 48 hr were 1.95 ± 0.02; 2.15 ± 0.02; 2.30 ± 0.03; 2.81 ± 0.01; 1.72 ± 0.03 and 1.38 ± 0.02 mg/100 g. The odor contributor compound was khusimol (C15H24O). The highest khusimol content was revealed by vetiver extract, which drying for 24 hr after harvest. Drying vetiver more than 24 hr could reduce khusimol content.
Published Version
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