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Variation in the essential oil composition and antimicrobial activity of baccharis spartioides (H. et A.) J. rimy from three regions of Argentina. / María M. Oliva in The journal of essential oil research, Vol. 19 N°6 (Novembre/Decembre 2007) 

Public ISBD [article]  in The journal of essential oil research > Vol. 19 N°6 (Novembre/Decembre 2007) . - pp. 509-513 Titre : Variation in the essential oil composition and antimicrobial activity of baccharis spartioides (H. et A.) J. rimy from three regions of Argentina. Type de document : texte imprimé Auteurs : María M. Oliva, Auteur ; Maria P. Zunino, Auteur ; María L. López, Auteur Année de publication : 2008 Article en page(s) : pp. 509-513 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Baccharis  spartioides  Asteraceae  Pichana  Essential  oil  composition  Limonene  Citronellal  Camphor  Spathulenol  Antimicrobial  activity  Environmental  conditions Résumé : Hydrodistilled oils of Baccharis spartioides from three populations of Argentina (Northwest, Central and Patagonia areas) were analyzed by using GC and GC/MS. Thirty-nine compounds were identified in the oils and a relatively high variation in their contents and in their antimicrobial activity was found. The main constituents of the oils were camphor (26.5–50%), limonene (4.3–35.8%), citronellal (12%), carvone (10%) and spathulenol (2.1–11.8%). The oil was tested against ten Gram-positive and Gram-negative bacteria and against the yeast Candida albicans. The best antimicrobial activity of the oils of B. spartioides was against S. aureus and B. cereus while P. aeruginosa was the most resistant bacteria to all the oils. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699318#.UXFJxEqC5mM [article] Variation in the essential oil composition and antimicrobial activity of baccharis spartioides (H. et A.) J. rimy from three regions of Argentina. [texte imprimé] / María M. Oliva, Auteur ; Maria P. Zunino, Auteur ; María L. López, Auteur . - 2008 . - pp. 509-513. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 19 N°6 (Novembre/Decembre 2007) . - pp. 509-513 Mots-clés : Baccharis  spartioides  Asteraceae  Pichana  Essential  oil  composition  Limonene  Citronellal  Camphor  Spathulenol  Antimicrobial  activity  Environmental  conditions Résumé : Hydrodistilled oils of Baccharis spartioides from three populations of Argentina (Northwest, Central and Patagonia areas) were analyzed by using GC and GC/MS. Thirty-nine compounds were identified in the oils and a relatively high variation in their contents and in their antimicrobial activity was found. The main constituents of the oils were camphor (26.5–50%), limonene (4.3–35.8%), citronellal (12%), carvone (10%) and spathulenol (2.1–11.8%). The oil was tested against ten Gram-positive and Gram-negative bacteria and against the yeast Candida albicans. The best antimicrobial activity of the oils of B. spartioides was against S. aureus and B. cereus while P. aeruginosa was the most resistant bacteria to all the oils. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699318#.UXFJxEqC5mM