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Effects of edaphoclimatic conditions on thymus hyemalis L. essential oil yield and composition / José M. Martínez 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. 614-618 Titre : Effects of edaphoclimatic conditions on thymus hyemalis L. essential oil yield and composition Type de document : texte imprimé Auteurs : José M. Martínez, Auteur ; María J. Jordán, Auteur ; M. Quílez, Auteur Année de publication : 2006 Article en page(s) : pp. 614-618 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Thymus  hyemalis  Laminaceae  Winter  thyme  Essential  oil  composition  p-cymene  γ-terpinene  Thymol  Edapho-climatic  conditions Résumé : Thymus hyemalis Lange shrubs were grown in two different cultivation areas of the region of Murcia (southeast Spain) in order to determine how edaphoclimatic conditions affect the essential oil yield and chemical composition of this thyme species. Results showed that no statistically significant differences were detected among essential oil yields. However, chromatographic analysis of the oils by GC and GC/MS reported that, from a total of 101 volatile components identified, statistically significant differences among concentrations of several volatile components existed. At the qualitative level, oils from La Paca cultivation area (690 m above sea level) showed a volatile profile rich in low molecular weight components and phenolic compounds when compared to those obtained from Torre Blanca cultivation area (30 m above sea level). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9699011#.Ubhblth-Sje [article] Effects of edaphoclimatic conditions on thymus hyemalis L. essential oil yield and composition [texte imprimé] / José M. Martínez, Auteur ; María J. Jordán, Auteur ; M. Quílez, Auteur . - 2006 . - pp. 614-618. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 17 N° 6 (Novembre-Décembre 2005) . - pp. 614-618 Mots-clés : Thymus  hyemalis  Laminaceae  Winter  thyme  Essential  oil  composition  p-cymene  γ-terpinene  Thymol  Edapho-climatic  conditions Résumé : Thymus hyemalis Lange shrubs were grown in two different cultivation areas of the region of Murcia (southeast Spain) in order to determine how edaphoclimatic conditions affect the essential oil yield and chemical composition of this thyme species. Results showed that no statistically significant differences were detected among essential oil yields. However, chromatographic analysis of the oils by GC and GC/MS reported that, from a total of 101 volatile components identified, statistically significant differences among concentrations of several volatile components existed. At the qualitative level, oils from La Paca cultivation area (690 m above sea level) showed a volatile profile rich in low molecular weight components and phenolic compounds when compared to those obtained from Torre Blanca cultivation area (30 m above sea level). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9699011#.Ubhblth-Sje