<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p><italic>O. majorana</italic> shoots were investigated for their essential oil (EO) composition. Two experiments were carried out; the first on hydroponic medium in a culture chamber and the second on inert sand in a greenhouse for 20 days. Plants were cultivated for 17 days in hydroponic medium supplemented with NaCl 100 mmol L<sup>-1</sup>. The results showed that the <italic>O. majorana</italic> hydroponic medium offered higher essential oil yield than that from the greenhouse. The latter increased significantly in yield (by 50 %) under saline constraint while it did not change in the culture chamber. Under greenhouse conditions and in the absence of salt treatment, the major constituents were terpinen-4-ol and <italic>trans</italic>-sabinene hydrate. However, in the culture chamber, the major volatile components were <italic>cis</italic>-sabinene hydrate and terpinen-4-ol. In the presence of NaCl, new compounds appeared, such as eicosane, spathulenol, eugenol, and phenol. In addition, in the greenhouse, with or without salt, a very important change of <italic>trans</italic>-sabinene hydrate concentration in EO occurred, whereas in the culture chamber change appeared in <italic>cis</italic>-sabinene hydrate content.</p></abstract>

O. majorana shoots were investigated for their essential oil (EO) composition. Two experiments were carried out; the first on hydroponic medium in a culture chamber and the second on inert sand in a greenhouse for 20 days. Plants were cultivated for 17 days in hydroponic medium supplemented with NaCl 100 mmol L-1. The results showed that the O. majorana hydroponic medium offered higher essential oil yield than that from the greenhouse. The latter increased significantly in yield (by 50 %) under saline constraint while it did not change in the culture chamber. Under greenhouse conditions and in the absence of salt treatment, the major constituents were terpinen-4-ol and trans-sabinene hydrate. However, in the culture chamber, the major volatile components were cis-sabinene hydrate and terpinen-4-ol. In the presence of NaCl, new compounds appeared, such as eicosane, spathulenol, eugenol, and phenol. In addition, in the greenhouse, with or without salt, a very important change of trans-sabinene hydrate concentration in EO occurred, whereas in the culture chamber change appeared in cis-sabinene hydrate content.

Culture conditions and salt effects on essential oil composition of sweet marjoram (<italic>Origanum majorana</italic>) from Tunisia

Département de Biologie, Faculté des Sciences de Tunis, Unité de Physiologie et Biochimie de la Tolérance au Sel des Plantes, Campus Universitaire, 2092 Tunis, Tunisie

Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, 2050 Hammam-lif, Tunisie

Acta Pharmaceutica

Culture conditions and salt effects on essential oil composition of sweet marjoram () from Tunisia

O. majorana shoots were investigated for their essential oil (EO) composition. Two experiments were carried out; the first on hydroponic medium in a culture...

Culture conditions and salt effects on essential oil composition of sweet marjoram (Origanum majorana) from Tunisia

Publicado en línea: 28 jun 2012

Páginas: 251 - 261

DOI: https://doi.org/10.2478/v10007-012-0019-9

Palabras clave
staklenik, uzgojna komora, sol, prinos, terpinen-4-ol

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