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Astartea, a new source of (+)-(1S,5R)-myrtenal / Robert F. Lowe in The journal of essential oil research, Vol. 17 N° 6 (Novembre-Décembre 2005) 

Public ISBD [article]  in The journal of essential oil research > Vol. 17 N° 6 (Novembre-Décembre 2005) . - pp. 683-685 Titre : Astartea, a new source of (+)-(1S,5R)-myrtenal Type de document : texte imprimé Auteurs : Robert F. Lowe, Auteur ; Michael F. Russell, Auteur ; Ian A. Southwell, Auteur Année de publication : 2006 Article en page(s) : pp. 683-685 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Astartea  leptophylla  Astartea  sp.  nov  Myrtaceae  Essential  oil  composition  Myrtenol  (+)-(1S,5R)-myrtenal  Linalool  α-pinene  Hydrodistillation  Hydrosol Résumé : The leaf essential oils of Astartea leptophylla and Astartea sp. nov. were analyzed by GC and GC/MS. Astartea leptophylla contained α-pinene (52.1%), linalool (4.1%), myrtenol (0.7%) and (+)-myrtenal (9.8%). Major components in the Astartea sp. nov. oil were α-pinene (18.1%), linalool (11.3%), myrtenol (6.3%), and (+)-myrtenal (26.2%). GC of the ethanol extracts of the leaves showed a similar monoterpenoid profile to the oils. A higher extract concentration of cyclodecadienes was further evidence for the rearrangement of germacrene D and bicyclogermacrene to cadinene, aromadendrene, elemene and other cyclosesquiterpene derivatives. The hydrosols from both species were also analyzed. Oil yields and component concentrations indicated that Astartea, especially Astartea sp. nov., could become a commercial source of (+)-(1S,5R)-myrtenal. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9699032#.UcLkQWF2_n4 [article] Astartea, a new source of (+)-(1S,5R)-myrtenal [texte imprimé] / Robert F. Lowe, Auteur ; Michael F. Russell, Auteur ; Ian A. Southwell, Auteur . - 2006 . - pp. 683-685. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 17 N° 6 (Novembre-Décembre 2005) . - pp. 683-685 Mots-clés : Astartea  leptophylla  Astartea  sp.  nov  Myrtaceae  Essential  oil  composition  Myrtenol  (+)-(1S,5R)-myrtenal  Linalool  α-pinene  Hydrodistillation  Hydrosol Résumé : The leaf essential oils of Astartea leptophylla and Astartea sp. nov. were analyzed by GC and GC/MS. Astartea leptophylla contained α-pinene (52.1%), linalool (4.1%), myrtenol (0.7%) and (+)-myrtenal (9.8%). Major components in the Astartea sp. nov. oil were α-pinene (18.1%), linalool (11.3%), myrtenol (6.3%), and (+)-myrtenal (26.2%). GC of the ethanol extracts of the leaves showed a similar monoterpenoid profile to the oils. A higher extract concentration of cyclodecadienes was further evidence for the rearrangement of germacrene D and bicyclogermacrene to cadinene, aromadendrene, elemene and other cyclosesquiterpene derivatives. The hydrosols from both species were also analyzed. Oil yields and component concentrations indicated that Astartea, especially Astartea sp. nov., could become a commercial source of (+)-(1S,5R)-myrtenal. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9699032#.UcLkQWF2_n4

Composition of an essential oil from agonis fragrans J.R. wheeler et N.G.marchant / Robert F. Lowe in The journal of essential oil research, Vol. 19 N°4 (Juillet/Août 2007) 

Public ISBD [article]  in The journal of essential oil research > Vol. 19 N°4 (Juillet/Août 2007) . - pp. 342-344 Titre : Composition of an essential oil from agonis fragrans J.R. wheeler et N.G.marchant Type de document : texte imprimé Auteurs : Robert F. Lowe, Auteur ; Michael F. Russell, Auteur ; Ian A. Southwell, Auteur Année de publication : 2007 Article en page(s) : pp. 342-344 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Agonis  fragrans  Myrtaceae  Coarse  Agonis  Coarse  Tea  Tree  Essential  oil  composition  Ethanolic  extract  1,8-cineole  (+)-(1S,  5R)-myrtenol  Linalool  α-pinene  Antimicrobial  activity Résumé : The leaf essential oils of Agonis fragrans, isolated by steam distillation and solvent extraction, were analyzed by GC and GC/MS. The major components identified in five of the six samples investigated were 1,8-cineole (28%-34% and 12%-26%, respectively) and α-pinene (14%-28 % and 12%-18% respectively). The remaining sample was almost devoid of 1, 8-cineole (1% in oil and 0% in extract) with higher concentrations of α-pinene (22% and 39%), linalool (25% and 18%) and (+)-(1S, 5R)-myrtenol (20% and 12% respectively). The compositional variation within the species indicated that a breeding project could identify and use the best composition for commercial development. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699299#.UWwCFUqC5mO [article] Composition of an essential oil from agonis fragrans J.R. wheeler et N.G.marchant [texte imprimé] / Robert F. Lowe, Auteur ; Michael F. Russell, Auteur ; Ian A. Southwell, Auteur . - 2007 . - pp. 342-344. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 19 N°4 (Juillet/Août 2007) . - pp. 342-344 Mots-clés : Agonis  fragrans  Myrtaceae  Coarse  Agonis  Coarse  Tea  Tree  Essential  oil  composition  Ethanolic  extract  1,8-cineole  (+)-(1S,  5R)-myrtenol  Linalool  α-pinene  Antimicrobial  activity Résumé : The leaf essential oils of Agonis fragrans, isolated by steam distillation and solvent extraction, were analyzed by GC and GC/MS. The major components identified in five of the six samples investigated were 1,8-cineole (28%-34% and 12%-26%, respectively) and α-pinene (14%-28 % and 12%-18% respectively). The remaining sample was almost devoid of 1, 8-cineole (1% in oil and 0% in extract) with higher concentrations of α-pinene (22% and 39%), linalool (25% and 18%) and (+)-(1S, 5R)-myrtenol (20% and 12% respectively). The compositional variation within the species indicated that a breeding project could identify and use the best composition for commercial development. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699299#.UWwCFUqC5mO