Chemical composition of leaf and stem oils from Vietnamese Cupressus tonkinensis Silba

Cupressus tonkinensis was treated for a long time as a synonym of Cupressus torulosa D. Don. and it was proposed as new species in 1994. The two species differed by morphological characters and they were distinct in their random amplified polymorphic DNAs (RAPDs). Leaves and stems of C. tonkinensis...

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Bibliographic Details
Published in:The Journal of essential oil research 2013-02, Vol.25 (1), p.11-16
Main Authors: Thai, Tran Huy, Bazzali, Ophélie, Hien, Nguyen Thi, The, Pham Van, Loc, Phan Ke, Hoi, Tran Minh, Tomi, Félix, Casanova, Joseph, Bighelli, Ange
Format: Article
Language:English
Subjects:
alpha-pinene
C-NMR
cedrol
chemical composition
chromatography
Cupressaceae
Cupressus tonkinensis
Cupressus torulosa
essential oil composition
essential oils
leaves
monoterpene-rich oil
myrcene
new species
oils
random amplified polymorphic DNA technique
sabinene
spectroscopy
stems
α-pinene
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Summary:Cupressus tonkinensis was treated for a long time as a synonym of Cupressus torulosa D. Don. and it was proposed as new species in 1994. The two species differed by morphological characters and they were distinct in their random amplified polymorphic DNAs (RAPDs). Leaves and stems of C. tonkinensis produce monoterpene-rich oils whose composition is investigated here for the first time by combination of chromatographic and spectroscopic techniques. α-Pinene (23.1%), sabinene (21.0%) and terpinen-4-ol (14.4%) were the major components of the leaf oil that contained also β-elemol (4.2%). In contrast, α-pinene (42.5%) was by far the major component of the stem oil beside myrcene (10.2%) and cedrol (9.0%).
ISSN:2163-8152
1041-2905
2163-8152
DOI:10.1080/10412905.2012.751056