« Previous AbstractAdsorption and degradation of model volatile organic compounds by a combined titania-montmorillonite-silica photocatalyst    Next AbstractEffect of gland extracts on digging and residing preferences of red imported fire ant workers (Hymenoptera: Formicidae) »

Nat Prod Commun

Title:		Investigation of the volatile constituents of different Gynura species from two Chinese origins by SPME/GC-MS
Author(s):		Chen J; Adams A; Mangelinckx S; Ren BR; Li WL; Wang ZT; De Kimpe N;
Address:		"Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, B-9000 Ghent, Belgium"
Journal Title:		Nat Prod Commun
Year:		2012
Volume:		7
Issue:		5
Page Number:		655 - 657
DOI:
ISSN/ISBN:		1934-578X (Print) 1555-9475 (Linking)
Abstract:		"GC-MS analyses of the volatile constituents obtained by solid phase microextraction (SPME) of two Gynura species, i.e., G. divaricata and G. bicolor, collected from Nanjing and Nanping areas in the east of China, enabled the identification of more than 50 different components. Generally, a higher contents of sesquiterpene compounds such as beta-caryophyllene, alpha-caryophyllene and alpha-copaene were found in G. bicolor than in G. divaricata, regardless of their origin. Qualitatively, the detected major volatiles of G. bicolor and G. divaricata originating from Nanjing were the same, i.e., beta-caryophyllene, alpha-caryophyllene, alpha-copaene, alpha-pinene and beta-pinene. The volatile profile of a third species, G. medica, also originating from Nanjing was different with sesquiterpenes gamma-cadinene, beta-caryophyllene, elixene and monoterpene limonene as the major components. The volatile profiles of G. bicolor and G. divaricata originating from Nanping were more diverse. For both species beta-caryophyllene, alpha-copaene and limonene were the major volatiles, but G. bicolor also produced gamma-caryophyllene and carvone as major constituents, whereas for G. divariata o-cymene was detected. Overall, these results indicate that the biosynthesis of volatiles by Gynura species is not only species related, but is also possibly influenced by the local environmental conditions of growth"
Keywords:		Asteraceae/*chemistry China Cyclohexane Monoterpenes Cyclohexenes/analysis Gas Chromatography-Mass Spectrometry/*methods Limonene Monoterpenes/analysis Sesquiterpenes/analysis Solid Phase Microextraction/*methods Terpenes/analysis;
Notes:		"MedlineChen, Jian Adams, An Mangelinckx, Sven Ren, Bing-Ru Li, Wei-lin Wang, Zheng-tao De Kimpe, Norbert eng Research Support, Non-U.S. Gov't 2012/07/18 Nat Prod Commun. 2012 May; 7(5):655-7"