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Nat Prod Res

Title:		Sesquiterpene-rich volatile constituents of Ipomoea obscura (L.) Ker-Gawl
Author(s):		Joshi RK;
Address:		"a Department of Phytochemistry , Regional Medical Research Centre (Indian Council of Medical Research) , Belgaum , Karnataka 590 010 , India"
Journal Title:		Nat Prod Res
Year:		2015
Volume:		20150212
Issue:		20
Page Number:		1935 - 1937
DOI:		10.1080/14786419.2015.1010085
ISSN/ISBN:		1478-6427 (Electronic) 1478-6419 (Linking)
Abstract:		"The hydro-distilled essential oil from flowering aerial parts of Ipomoea obscura (L.) Ker-Gawl. (Convolvulaceae) was investigated by using gas chromatography equipped with a flame ionisation detector GC-FID and gas chromatography coupled with a mass spectrometry (GC/MS). Forty-two components, representing 97.1% of the total oil, were identified. The major constituents of the essential oil were alpha-bulnesene (23.8%), alpha-humulene (13.7%) and seychellene (11.2%). The other minor constituents were alpha-guaiene (8.3%), beta-caryophyllene (7.1%), gamma-terpinene (4.2%), hexadecanoic acid (3.0%) and beta-elemene (2.7%). The oil was found to be rich in sesquiterpene hydrocarbon type constituents (78.4%)"
Keywords:		"Flowers/chemistry Gas Chromatography-Mass Spectrometry Ipomoea/*chemistry Oils, Volatile/*chemistry Plant Oils/chemistry Sesquiterpenes/*chemistry/isolation & purification Volatile Organic Compounds/*chemistry/isolation & purification Gc/ms Ipomoea obscur;"
Notes:		"MedlineJoshi, Rajesh K eng Research Support, Non-U.S. Gov't England 2015/02/13 Nat Prod Res. 2015; 29(20):1935-7. doi: 10.1080/14786419.2015.1010085. Epub 2015 Feb 12"