Journal
FLAVOUR AND FRAGRANCE JOURNAL
Volume 21, Issue 3, Pages 453-457Publisher
WILEY
DOI: 10.1002/ffj.1676
Keywords
Cupressus funebris Endl.; pyrolytic oil; Chinese cedarwood oil; C-13-NMR spectroscopy; GC-MS; cedrene; cedrol; thujopsene
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A sample of pyrolytic oil of Vietnamese origin, extracted from Cupressus funbris Endl. was investigated by GC-RI, GC-MS and C-13-NMR spectroscopy. In the pyrolytic oil, dominated by sesquiterpenes (76% of the total composition), 46 components were identified after repeated silica gel chromatography. The main components were: alpha-cedrene (26.7%), cedrol (12.3%) and ss-cedrene (6.6%). The pyrolytic oil differed from the commercial Chinese cedarwood oil (C. funebris wood oil), on the one hand by the absence of thujopsene and conversely the presence of several bicyclo[4.4.0]decane hydrocarbons and alcohols (selinane and cadinane derivatives), and on the other hand by the presence, as minor components, of phenol derivatives. The composition of the pyrolytic oil was compared with that of a commercial sample of cerdarwood oil [53 components identified, thujopsene (25.9%), alpha-cedrene (24.1%), cedrol (11.3%) and ss-cedrene (7.4%)]. Copyright (c) 2006 John Wiley & Sons, Ltd.
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