2012•Journal of Essential Oil Bearing PlantsRequires access

Chemical Composition of the Essential Oil ofZanthoxylum avicennae(Lam.) DC Leaves (Rutaceae) from Vietnam

Đỗ Ngọc Đài, Ngo Xuan Luong, Tran Dinh Thang, Leopold Jirovetz, Martina Höferl, Erich Schmidt

Abstract

The volatile components of the essential leaf oil of Zanthoxylum avicennae (Lam.) DC (Rutaceae) from Nghean province (Vietnam) were analyzed by means of capillary GC and GC-MS as well as in some cases by background subtraction of co-eluting compounds. Out of more than fifty identified compounds, the sesquiterpene hydrocarbons β-caryophyllene (17.01 %) and α-humulene (10.38 %) as well as the monoterpene hydrocarbons α-pinene (10.07 %) and β-phellandrene, were determined to be the major individual constituents of the essential oil. Further mono- and sesquiterpene hydrocarbons, such as α-terpinene, (E)-β-ocimene, λ-terpinene, germacrene D and β-selinene, were found in concentrations higher than 3.0 %.

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Key concepts: Rutaceae, Essential oil, Zanthoxylum, Sesquiterpene, Monoterpene, Germacrene D, Chemistry, Germacrene