Terpene Composition of Three Species of Gymnosperms from Vietnam

Do N. Dai, Tran D. Thang, Isiaka A. Ogunwande

Faculty of Biology, Vinh University, Vinh City, Vietnam;.
Faculty of Chemistry, Vinh University, Vinh City, Vietnam;.
Natural Products Research Unit, Department of Chemistry, Faculty of Science, Lagos State University, Lagos, Nigeria..

DOI: 10.4236/ajps.2013.410254                

Abstract

In the present investigation, we studied new essential oil contents and compositions of three individual plants from Cupressaceae family cultivated in Vietnam. The air-dried plants were hydrodistilled and the oils analysed by Gas chromatography (GC) and Gas chromatography couples with Mass spectrometry (GC-MS). The components were identified by comparison of their retention indices on HP-5 MS capillary column with literature reference and MS pattern with authentic library’s collection. a-Pinene (36.0%), α-cedrol (18.3%) and thujopsene (5.7%) were the main constituents of Cupressus tonkiensis Silba. Monoterpenes were the quantitative significant compounds of Sabina chinensis (L.) Antoine. These are bornyl acetate (19.5%), sabinene (17.3%) and a-pinene (15.8%). Moreover, the main compounds of Thuja orientalis L., were identified as a-pinene (34.1%), α-cedrol (16.5%), β-caryophyllene (5.4%) and β-selinene (5.2%). The chemotaxonomy implication of these results was also discussed.

Keywords

Cupressus tonkiensis; Sabina chinensis; Thuja orientalis; Bornyl Acetate; α-Cedrol; α-Pinene; Sabinene

Conflicts of Interest

The authors declare no conflicts of interest.

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