Chemical Composition of Essential Oil from the Leaves of Amentotaxus yunnanensis H.L. Li in Ha Giang Province
Main Article Content
Abstract
The essential oil from the leaves of the Amentotaxus yunnanensis collected in Hoang Su Phi, Ha Giang province was obtained by hydrodistillation using a Clevenger apparatus and the yield of the essential oil was 0.01% from air-dry material. By using GC/MS analysis 50 constituents were identified, accounting for 88.96% of the essential oil. The main constituents were α-pinene (21.91%), kaur-16-ene (13.03%), α-calacorene (9.42%), δ-cadinene (6.23%) and β-caryophyllene (4.9%). This is the first study on the chemical constituents of essential oils from the leaves of Amentotaxus yunnanensis in Vietnam.
Keywords: essential oil, Amentotaxus yunnanensis, α-pinene, kaur-16-ene, α-calacorene, δ-cadinene.
References
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[5] Dominique Lesueur, Ninh Khac Ban, Ange Bighelli, Joseph Casanova, Analysis of the root oil of Fokienia hodginsii (Dunn) Henry et Thomas (Cupressaceae) by GC, GC-MS and 13C-NMR, Flavour Fragr. J. 21 (2005) 171-174.
[6] Sheng-Hong Li, Hong-Jie Zhang, Xue-Mei-Niu, Ping Yao, Han-Dong Sun and Harry H. S. Fong, Chemical constituents from Amentotaxus yunnanensis and Torreya yunnanensis, J. Nat. Prod. 66 (2003) 1002-1005.
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[8] Robert P. Adams, Identification of essential oil components by gas chromatography/quadrupole mass spectroscopy, Allured Publishing Corporation, USA, 2004.