摘要
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.
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.
