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The botanical source of chinese cedarwood oil / Robert P. Adams in The journal of essential oil research, Vol. 20 n°3 (Mai/Juin 2008) 

Public ISBD [article]  in The journal of essential oil research > Vol. 20 n°3 (Mai/Juin 2008) . - pp. 235-242 Titre : The botanical source of chinese cedarwood oil : Cupressus funebris or cupressaceae species? Type de document : texte imprimé Auteurs : Robert P. Adams, Auteur ; Shufen Li, Auteur Année de publication : 2008 Article en page(s) : pp. 235-242 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Cupressus  funebris  Juniperus  chinensis  Cupressaceae  Chinese  cedarwood  oils  Essential  oil  composition  α-cedrene  β-cedrene  Cedrol  Cis-thujopsene  Cuparene  Origin  Variation Résumé : Cupressus funebris is generally regarded as the botanical source of Chinese cedarwood oil. However, due the limited amount of mature forest trees of C. funebris in China, other species in the Cupressaceae that have wood oils high in α-cedrene, β-cedrene, thujopsene and cedrol might be utilized for cedarwood oil production. Wood samples of putative C. funebris were extracted and the extracts were analyzed and compared with several lots of Chinese cedarwood oil. Wood oils were also extracted from Juniperus chinensis and J. c. cv. torrulosa and analyzed. Considerable variation was found among the wood oils of putative C. funebris. The various lots of commercial Chinese cedarwood oils were very variable: α-cedrene (3.6–44.2%), β-cedrene (3.5–11.5%), cis-thujopsene (1.9–37.4%), cedrol (1.7–23.4%). The presence of β-biotol and β-biotone in several Chinese cedarwood oils seems to indicate that wood of Platycladus orientalis (Biota orientalis) was utilized in their production. It appears that Chinese cedarwood oil is derived from a mixture of woods from several Cupressaceae species. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700001 [article] The botanical source of chinese cedarwood oil : Cupressus funebris or cupressaceae species? [texte imprimé] / Robert P. Adams, Auteur ; Shufen Li, Auteur . - 2008 . - pp. 235-242. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 20 n°3 (Mai/Juin 2008) . - pp. 235-242 Mots-clés : Cupressus  funebris  Juniperus  chinensis  Cupressaceae  Chinese  cedarwood  oils  Essential  oil  composition  α-cedrene  β-cedrene  Cedrol  Cis-thujopsene  Cuparene  Origin  Variation Résumé : Cupressus funebris is generally regarded as the botanical source of Chinese cedarwood oil. However, due the limited amount of mature forest trees of C. funebris in China, other species in the Cupressaceae that have wood oils high in α-cedrene, β-cedrene, thujopsene and cedrol might be utilized for cedarwood oil production. Wood samples of putative C. funebris were extracted and the extracts were analyzed and compared with several lots of Chinese cedarwood oil. Wood oils were also extracted from Juniperus chinensis and J. c. cv. torrulosa and analyzed. Considerable variation was found among the wood oils of putative C. funebris. The various lots of commercial Chinese cedarwood oils were very variable: α-cedrene (3.6–44.2%), β-cedrene (3.5–11.5%), cis-thujopsene (1.9–37.4%), cedrol (1.7–23.4%). The presence of β-biotol and β-biotone in several Chinese cedarwood oils seems to indicate that wood of Platycladus orientalis (Biota orientalis) was utilized in their production. It appears that Chinese cedarwood oil is derived from a mixture of woods from several Cupressaceae species. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700001