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Molecules 2011, 16(3), 2646-2657; doi:10.3390/molecules16032646

Inter-Population Variability of Terpenoid Composition in Leaves of Pistacia lentiscus L. from Algeria: A Chemoecological Approach

1
Faculté des Sciences Biologiques et des Sciences Agronomiques, Université Mouloud MAMMERI BP 17 Tizi-Ouzou, Algeria
2
Institut Méditerranéen d’Ecologie et Paléoécologie (IMEP), UMR CNRS 6116, Equipe Diversité Fonctionnelle des Communautés Végétales, Aix-Marseille Université, Centre Saint Charles. 3, place Victor Hugo. 13331, Marseille Cedex 3, France
3
Institut Méditerranéen d’Ecologie et Paléoécologie (IMEP), UMR CNRS 6116, Equipe Population, Communauté, Paysage. case 461, 13397, Aix-Marseille Université, Marseille Cedex 20, France
*
Author to whom correspondence should be addressed.
Received: 22 February 2011 / Revised: 17 March 2011 / Accepted: 18 March 2011 / Published: 22 March 2011
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Abstract

Three different altitudes were selected to study the variability of terpenoid composition from leaves of female plants of Pistacia lentiscus L. throughout the elevation gradient. GC-MS analyses showed that terpenoid contents change with altitude. Forty nine compounds were identified with a high interpopulation variability for low- and midaltitude sites that also exhibited the same major components when data were expressed on dry weight basis. However, Two-Way-ANOVA followed by Tukey’s post hoc test showed that monoterpene hydrocarbons increased with elevation, giving values of 21.7, 37.5 and 221.5 µg g−1 dw for low- mid- and highlands, respectively. On the other hand, applying P.C.A. with data expressed in percentage of the chromatogram of the volatile extract led to the identification of three chemotypes associated with altitudinal levels. In highlands (Group I), the major compounds were b-caryophyllene (12%), δ-cadinene (9.3%) and a-pinene (6.3%) while in midlands (Group II), b-caryophyllene (11.5%), δ-cadinene (8.6%) and caryophyllene oxide (6.8%) were the main components. In lowlands (Group III) δ-cadinene (10.9%), cubebol (10.5%) and β-bisabolene (7.7%) were chiefly present. Hence, the involvement of genetic factors, temperature and drought in the chemical polymorphism of P. lentiscus associated with elevation is discussed in this report.
Keywords: Pistacia lentiscus; terpenes; altitude; Algeria; α-pinene; b-caryophyllene; caryophyllene oxide; cubebol; β-bisabolene; variability Pistacia lentiscus; terpenes; altitude; Algeria; α-pinene; b-caryophyllene; caryophyllene oxide; cubebol; β-bisabolene; variability
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MDPI and ACS Style

Said, S.A.; Fernandez, C.; Greff, S.; Torre, F.; Derridj, A.; Gauquelin, T.; Mevy, J.-P. Inter-Population Variability of Terpenoid Composition in Leaves of Pistacia lentiscus L. from Algeria: A Chemoecological Approach. Molecules 2011, 16, 2646-2657.

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