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Content and composition of essential oil of four Origanum vulgare L. accessions under reduced and normal light intensity conditions

Shafiee-Hajiabad, Marzieh ; Novak, Johannes ; Honermeier, Bernd


Originalveröffentlichung: (2016) Journal of Applied Botany and Food Quality 89:126-134 doi: 10.5073/JABFQ.2016.089.015
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URN: urn:nbn:de:hebis:26-opus-124134
URL: http://geb.uni-giessen.de/geb/volltexte/2016/12413/


Sammlung: Open Access - Publikationsfonds
Universität Justus-Liebig-Universit√§t Gie√üen
Institut: Depatment of Agronomy, Institute of Agronomy and Plant Breeding
Fachgebiet: Agrarwissenschaften und Umweltmanagement
DDC-Sachgruppe: Landwirtschaft
Dokumentart: Aufsatz
Sprache: Englisch
Erstellungsjahr: 2016
Publikationsdatum: 23.12.2016
Kurzfassung auf Englisch: The variation in the chemical composition and content of the essential oil was examined in four Origanum vulgare accessions (Ov): 1- Origanum vulgare L. ssp. vulgare (=Ovu), 2- Origanum vulgare L. ssp. hirtum (Link) letswaart (=Ohi), 3- Origanum vulgare L. ssp. viride (Boiss.) Hayek (=Ovi) and 4- Origanum vulgare L. ssp. viride (Boiss.) Hayek × O. majorana L. (=Oxm), growing under reduced (26%) and normal light intensity. Altogether, 64 compounds representing 98.95% of the total oil were identified. Reduced light had a minor effect on the composition of essential oil. It decreased the content of p-cymene in Ohi and increased the sabinene content in Oxm herb samples. The essential oil of Ovu in both samples was mainly composed of trans-sabinene hydrate, ß-caryophellene and germacrene D. The major components of essential oil of Ohi were thymol and carvacrol followed by gamma-terpinene and p-cymene. Herb samples had a considerably higher amount of essential oil than leaf samples. In herb extracts of Ovi, cymyl compounds such as p-cymene, thymol and gamma-terpinene were dominant. Oxm was characterized by several monoterpenes with low concentrations including gamma-terpinene, sabinene cis-b-ocimene and carvacrol methyl ether. The results of the current study suggest a chemical toleration of the evaluated accessions to the applied light reduction. Furthermore, a full investigation of essential oil profiles of Origanum vulgare accessions is presented.
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