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Differences between the inflorescence, leaf and stem essential oils of wild mentha pulegium plants from zakynthos, Greece / Catherine M. Cook in The journal of essential oil research, Vol. 19 N°3 (Mai/Juin 2007) 

Public ISBD [article]  in The journal of essential oil research > Vol. 19 N°3 (Mai/Juin 2007) . - pp. 239-243 Titre : Differences between the inflorescence, leaf and stem essential oils of wild mentha pulegium plants from zakynthos, Greece Type de document : texte imprimé Auteurs : Catherine M. Cook, Auteur ; Eleni Maloupa, Auteur ; Stella Kokkini, Auteur Année de publication : 2007 Article en page(s) : pp. 239-243 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Mentha  pulegium  Lamiaceae  Essential  oil  composition  Pennyroyal  Pulegone  Isomenthone  Piperitenone  Piperitone Résumé : The composition of the inforescence (I), leaf (L) and stem (S) essential oils of wild Mentha pulegium plants from three populations (1–3) on the island of Zakynthos were examined. Pulegone (32.8 %, S1 to 75.8 %, I3) was the major constituent of all of the oils. The other main constituents were piperitenone (5.1 %, L3 to 35 %, I2), isomenthone (4.3 %, I2 to 28.6 %, L3) and piperitone (0.5 %, I3 to 5.2 %, L2). In total, C-3-oxygenated p-menthane compounds constituted from 73.0 % (S1) to 96.2 % (I2) of the oils. The piperitenone content of the inforescence oils was up to 2.4 (Loc 3) times higher than that of the leaf oils. Correspondingly, the isomenthone content of the leaf oils was up to 4.2 (Loc 2) times higher than that of the inforescence oils. The ratio of the isomenthone:piperitenone content of the oils (n=3) was markedly different for the inforescence (mean 0.31 ±SD 0.21), leaf (mean 2.91 ± SD 2.37) and stem (mean 1.12 ± SD 0.68) oils. The essential oil yields (mL/100g DW) were for the inforescences 3.1–5.0 %, leaves 3.1–4.0 %, stems <0.1–0.1% and whole plant (aerial parts) 2.4–3.9 % and are among the highest oil yields reported to date in Greece for M. pulegium. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699269#.UWqx8UqC5mM [article] Differences between the inflorescence, leaf and stem essential oils of wild mentha pulegium plants from zakynthos, Greece [texte imprimé] / Catherine M. Cook, Auteur ; Eleni Maloupa, Auteur ; Stella Kokkini, Auteur . - 2007 . - pp. 239-243. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 19 N°3 (Mai/Juin 2007) . - pp. 239-243 Mots-clés : Mentha  pulegium  Lamiaceae  Essential  oil  composition  Pennyroyal  Pulegone  Isomenthone  Piperitenone  Piperitone Résumé : The composition of the inforescence (I), leaf (L) and stem (S) essential oils of wild Mentha pulegium plants from three populations (1–3) on the island of Zakynthos were examined. Pulegone (32.8 %, S1 to 75.8 %, I3) was the major constituent of all of the oils. The other main constituents were piperitenone (5.1 %, L3 to 35 %, I2), isomenthone (4.3 %, I2 to 28.6 %, L3) and piperitone (0.5 %, I3 to 5.2 %, L2). In total, C-3-oxygenated p-menthane compounds constituted from 73.0 % (S1) to 96.2 % (I2) of the oils. The piperitenone content of the inforescence oils was up to 2.4 (Loc 3) times higher than that of the leaf oils. Correspondingly, the isomenthone content of the leaf oils was up to 4.2 (Loc 2) times higher than that of the inforescence oils. The ratio of the isomenthone:piperitenone content of the oils (n=3) was markedly different for the inforescence (mean 0.31 ±SD 0.21), leaf (mean 2.91 ± SD 2.37) and stem (mean 1.12 ± SD 0.68) oils. The essential oil yields (mL/100g DW) were for the inforescences 3.1–5.0 %, leaves 3.1–4.0 %, stems <0.1–0.1% and whole plant (aerial parts) 2.4–3.9 % and are among the highest oil yields reported to date in Greece for M. pulegium. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699269#.UWqx8UqC5mM