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

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

1,2, 2, 2, 3, 1, 2 and 2,* email
Received: 22 February 2011; in revised form: 17 March 2011 / Accepted: 18 March 2011 / Published: 22 March 2011
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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
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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.

AMA Style

Said SA, 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(3):2646-2657.

Chicago/Turabian Style

Said, Samir Ait; Fernandez, Catherine; Greff, Stéphane; Torre, Franck; Derridj, Arezki; Gauquelin, Thierry; Mevy, Jean-Philippe. 2011. "Inter-Population Variability of Terpenoid Composition in Leaves of Pistacia lentiscus L. from Algeria: A Chemoecological Approach." Molecules 16, no. 3: 2646-2657.

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