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SESQUITERPENE RICH VOLATILE SEED OIL OF TAGETES PATULA L. FROM NORTHWEST IRAN

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Author(s): M. B. HASSANPOURAGHDAM | F. SHEKARI | J. EMARAT-PARDAZ | M. SAFI SHALAMZARI

Journal: Journal of Central European Agriculture
ISSN 1332-9049

Volume: 12;
Issue: 2;
Start page: 304;
Date: 2011;
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Keywords: tagetes patula l. | asteraceae | volatile oil | sesquiterpene | (e)- caryophyllene | caryophyllene oxide | α-terthienyl

ABSTRACT
Hydrodistilled volatile seed oil composition of commonly growing ornamental Tagetes patula L. was analyzed for its constituents by GC/MS. Forty constituents were identified, comprising 94% of the total oil. Sesquiterpene hydrocarbons (52.7%) and oxygenated sesquiterpenes (15.8%) were the main subclasses of volatile oil components followed by monoterpene hydrocarbons (12.6%). The principle constituents of the volatile oil were (E)-caryophyllene (44.6%) caryophyllene oxide (14.8%), germacrene D (3.8%), (Z)-β-ocimene (3.8%) and limonene (3.7%). From chemical point of view, oxides (15.7%) were the predominant group of components with caryophyllene oxide as their main representative. α-terthienyl (3.8%) comprised partially large amount in the volatile oil content despite of its polar and less-volatile nature. Taking into account the volatile oil profile, the chemical composition of the volatile seed oil of commonly growing ornamental T. patula L. was characterized as sesquiterpene and α-terthienyl rich one probably with appreciable biocidal (Insecticidal and nematicidal) and pharmacological potential.
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