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Analysis of the volatile components of onosma echioides (L.) L. var. columnae lacaita growing in central Italy / Filippo Maggi in The journal of essential oil research, Vol. 21 N° 5 (Septembre/Octobre 2009) 

Public ISBD [article]  in The journal of essential oil research > Vol. 21 N° 5 (Septembre/Octobre 2009) . - pp. 441-447 Titre : Analysis of the volatile components of onosma echioides (L.) L. var. columnae lacaita growing in central Italy Type de document : texte imprimé Auteurs : Filippo Maggi, Auteur ; Bruno Tirillini, Auteur ; Sauro Vittori, Auteur Article en page(s) : pp. 441-447 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Onosma  echioides  var  Columnae  Boraginaceae  Essential  oil  composition  Phytol  Hexadecanoic  acid  Hexahydrofarnesyl  acetone Index. décimale : 646 Résumé : Volatile components obtained by hydrodistillation from the aerial parts (leaves and flowers) of Onosma echioides (L.) L. var. columnae Lacaita (Boraginaceae family) growing wild in central Italy (Marche, Umbria and Abruzzo regions) were investigated by GC and GC/MS for the first time. Sixty-four volatile components were identified: hexadecanoic acid (3.2–33.8%) and phytol (7.3–15.2%) were predominant in the flower oils, while phytol (36.5–54.5%) and hexahydrofarnesyl acetone (7.1–12.1%) were the major components in the leaf oils. Alkanes, fatty acids and aldehydes constituted the major fraction in the flower oils, while oxygenated diterpenes and ketones were predominant in the leaf oils. Phytol was isolated by flash chromatography and its identity was confirmed by IR, 1H-NMR and 13C-NMR spectra. Variation of the volatile components in the six populations of O. echioides var. columnae, due to genetic and geographic factors, was analyzed by cluster analysis. DEWEY : 665 ISSN : 1041-2905 En ligne : http://www.jeoronline.com/archive/detail/42#top [article] Analysis of the volatile components of onosma echioides (L.) L. var. columnae lacaita growing in central Italy [texte imprimé] / Filippo Maggi, Auteur ; Bruno Tirillini, Auteur ; Sauro Vittori, Auteur . - pp. 441-447. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 21 N° 5 (Septembre/Octobre 2009) . - pp. 441-447 Mots-clés : Onosma  echioides  var  Columnae  Boraginaceae  Essential  oil  composition  Phytol  Hexadecanoic  acid  Hexahydrofarnesyl  acetone Index. décimale : 646 Résumé : Volatile components obtained by hydrodistillation from the aerial parts (leaves and flowers) of Onosma echioides (L.) L. var. columnae Lacaita (Boraginaceae family) growing wild in central Italy (Marche, Umbria and Abruzzo regions) were investigated by GC and GC/MS for the first time. Sixty-four volatile components were identified: hexadecanoic acid (3.2–33.8%) and phytol (7.3–15.2%) were predominant in the flower oils, while phytol (36.5–54.5%) and hexahydrofarnesyl acetone (7.1–12.1%) were the major components in the leaf oils. Alkanes, fatty acids and aldehydes constituted the major fraction in the flower oils, while oxygenated diterpenes and ketones were predominant in the leaf oils. Phytol was isolated by flash chromatography and its identity was confirmed by IR, 1H-NMR and 13C-NMR spectra. Variation of the volatile components in the six populations of O. echioides var. columnae, due to genetic and geographic factors, was analyzed by cluster analysis. DEWEY : 665 ISSN : 1041-2905 En ligne : http://www.jeoronline.com/archive/detail/42#top

Essential oil composition of hypericum ‘Hidcote’ / Filippo Maggi in The journal of essential oil research, Vol. 20 n°6 (Novembre/Décembre 2008) 

Public ISBD [article]  in The journal of essential oil research > Vol. 20 n°6 (Novembre/Décembre 2008) . - pp. 539-541 Titre : Essential oil composition of hypericum ‘Hidcote’ Type de document : texte imprimé Auteurs : Filippo Maggi, Auteur ; Bruno Tirillini, Auteur ; Sauro Vittori, Auteur Année de publication : 2009 Article en page(s) : pp. 539-541 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Hypericum  ‘Hidcote’  Guttiferae  Essential  oil  composition  β-pinene Résumé : The essential oil of the artificial hybrid Hypericum ‘Hidcote’, one of the most cultivated St. John's worts in European and American gardens, was analyzed for the frist time by GC and GC/MS. Forty-six components were identified, representing 91.5% of the oil. The sesquiterpene fraction gave the highest contribution (68.4%), whilst monoterpenes amounted to 22.5%. The major constituents were β-pinene (11.9%), α-humulene (7.4%), β-caryophyllene (6.5%) and α-selinene (5.4%). Results confirm that hybridization may generate novel secondary chemistry in plants. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700083 [article] Essential oil composition of hypericum ‘Hidcote’ [texte imprimé] / Filippo Maggi, Auteur ; Bruno Tirillini, Auteur ; Sauro Vittori, Auteur . - 2009 . - pp. 539-541. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 20 n°6 (Novembre/Décembre 2008) . - pp. 539-541 Mots-clés : Hypericum  ‘Hidcote’  Guttiferae  Essential  oil  composition  β-pinene Résumé : The essential oil of the artificial hybrid Hypericum ‘Hidcote’, one of the most cultivated St. John's worts in European and American gardens, was analyzed for the frist time by GC and GC/MS. Forty-six components were identified, representing 91.5% of the oil. The sesquiterpene fraction gave the highest contribution (68.4%), whilst monoterpenes amounted to 22.5%. The major constituents were β-pinene (11.9%), α-humulene (7.4%), β-caryophyllene (6.5%) and α-selinene (5.4%). Results confirm that hybridization may generate novel secondary chemistry in plants. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700083

Gas chromatography for the characterization of the mushroom-like flavor in Melittis melissophyllum L. (Lamiaceae) / Filippo Maggi in The journal of essential oil research, Vol. 24 N° 4 (Août 2012) 

Public ISBD [article]  in The journal of essential oil research > Vol. 24 N° 4 (Août 2012) . - pp. 321-337 Titre : Gas chromatography for the characterization of the mushroom-like flavor in Melittis melissophyllum L. (Lamiaceae) Type de document : texte imprimé Auteurs : Filippo Maggi, Auteur ; Fabrizio Papa, Auteur ; Sauro Vittori, Auteur Année de publication : 2012 Article en page(s) : pp. 321-337 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Melittis  melissophyllum  Lamiaceae  Essential  oil  GC/FID  GC/MS  SPME Résumé : 1-Octen-3-ol is an eight-carbon atom alcohol playing the major role in conferring the typical and unmistakable aroma to edible mushrooms. The presence of 1-octen-3-ol in plants was highlighted in the 1940s in various kinds of mint and lavender essential oils. Since then, many Lamiaceae were found to contain this molecule, but, to our knowledge, the plant essential oil that contains the highest percentage of this molecule is that of Melittis melissophyllum. In the present review, we reported all studies based on gas chromatography performed on this plant in order to characterize its mushroom-like flavor. This plant revealed to be a source providing economically interesting natural flavor to be exploited in the near future. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/full/10.1080/10412905.2012.692899 [article] Gas chromatography for the characterization of the mushroom-like flavor in Melittis melissophyllum L. (Lamiaceae) [texte imprimé] / Filippo Maggi, Auteur ; Fabrizio Papa, Auteur ; Sauro Vittori, Auteur . - 2012 . - pp. 321-337. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 24 N° 4 (Août 2012) . - pp. 321-337 Mots-clés : Melittis  melissophyllum  Lamiaceae  Essential  oil  GC/FID  GC/MS  SPME Résumé : 1-Octen-3-ol is an eight-carbon atom alcohol playing the major role in conferring the typical and unmistakable aroma to edible mushrooms. The presence of 1-octen-3-ol in plants was highlighted in the 1940s in various kinds of mint and lavender essential oils. Since then, many Lamiaceae were found to contain this molecule, but, to our knowledge, the plant essential oil that contains the highest percentage of this molecule is that of Melittis melissophyllum. In the present review, we reported all studies based on gas chromatography performed on this plant in order to characterize its mushroom-like flavor. This plant revealed to be a source providing economically interesting natural flavor to be exploited in the near future. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/full/10.1080/10412905.2012.692899