JOURNAL 11
Records of Natural Products
										VOLUME & ISSUE
										
Year: 2008 Issue: 2 April-June
								Year: 2008 Issue: 2 April-June
										PAGES
										
p.25 - 32
								p.25 - 32
										STATISTICS
										
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										AUTHORS
										
										
											
    
									
 
									
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										Nasser A. Awadh Ali, Martina Wurster, Norbert Arnold, Ulrike Lindequist and Ludger Wessjohan									
 
GRAPHICAL ABSTRACT
ABSTRACT
The chemical composition of the essential oil (EO) obtained by hydrodistillation from the leaves of Teucrium yemense Deflers was determined by GC-MS. Twelve compounds accounting to 77.7% of the total oil were identified. Sesquiterpene hydrocarbons (73.9%) were the predominant portion of the oil with δ-cadinene (34.9%), β-caryophyllene (22.7%), a -humulene (6.1%), and a -selinene (5.4%) as the main constituents.
KEYWORDS- Essential oil
 - Teucrium yemense
 - δ-cadinene
 - GC-MS.