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Molecules 2013, 18(12), 14948-14960; doi:10.3390/molecules181214948
Article

Chemical Composition and Biological Activity of Essential Oils of Origanum vulgare L. subsp. vulgare L. under Different Growth Conditions

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Received: 24 October 2013 / Revised: 25 November 2013 / Accepted: 27 November 2013 / Published: 4 December 2013
(This article belongs to the Section Metabolites)
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Abstract

This research was aimed at investigating the essential oil production, chemical composition and biological activity of a crop of pink flowered oregano (Origanum vulgare L. subsp. vulgare L.) under different spatial distribution of the plants (single and binate rows). This plant factor was shown to affect its growth, soil covering, fresh biomass, essential oil amount and composition. In particular, the essential oil percentage was higher for the binate row treatment at the full bloom. The chemical composition of the oils obtained by hydrodistillation was fully characterized by GC and GC-MS. The oil from plants grown in single rows was rich in sabinene, while plants grown in double rows were richer in ocimenes. The essential oils showed antimicrobial action, mainly against Gram-positive pathogens and particularly Bacillus cereus and B. subtilis.
Keywords: Origanum vulgare subsp. vulgare; plant distribution; essential oil composition; antimicrobial activity Origanum vulgare subsp. vulgare; plant distribution; essential oil composition; antimicrobial activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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De Falco, E.; Mancini, E.; Roscigno, G.; Mignola, E.; Taglialatela-Scafati, O.; Senatore, F. Chemical Composition and Biological Activity of Essential Oils of Origanum vulgare L. subsp. vulgare L. under Different Growth Conditions. Molecules 2013, 18, 14948-14960.

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