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Journal of Essential Oil Research
Danin, A., Dept. Evol., Systematics, and Ecol., Hebrew University of Jerusalem, Jerusalem, 91904, Israel
Ravid, U., Div. of Medicinal and Spice Crops, Agric. Res. Organization Newe Ya'ar, Post Haifa 31-999, Israel
Umano, K., Takata Koryo Company, Ltd., 7-22-2 Tsukaguchi-Hanmachi, Amagasaki, Hyogo-Ken, Japan
Shibamoto, T., Dept. of Environmental Toxicology, University of California, Davis, CA 95616, United States
Essential oils of Origanum ramonense Danin leaves were obtained using two methods: steam-distillation followed by dichloromethane extraction (SDR), and simultaneous purging and extraction (SPE). Volatile constituents of the oils were isolated and identified by GC and GC/MS. A total of 132 compounds were identified using both methods. Among the more than 90 compounds identified in the oil obtained by SDR, 42 were alcohols which composed 79.5% of total GC peak area. The major volatile constituents of this oil were α-terpineol (41.53%), terpinen-4-ol (16.80%), cis-sabinene hydrate (13.17%), eugenol (3.61%), and γ-terpinene (3.40%). Among 90 constituents identified in oil obtained by SPE, 28 were hydrocarbons which composed 55.70% of total GC peak area. The major constituents of oil obtained by SPE were 1,8-cineol (17.46%), γ-terpinene (14.69%), terpinen-4-ol (13.88%), α-terpinene (9.37%) and α-terpineol (6.83%).
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Essential Oil Composition of Origanum ramonense Danin Leaves from Israel
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Danin, A., Dept. Evol., Systematics, and Ecol., Hebrew University of Jerusalem, Jerusalem, 91904, Israel
Ravid, U., Div. of Medicinal and Spice Crops, Agric. Res. Organization Newe Ya'ar, Post Haifa 31-999, Israel
Umano, K., Takata Koryo Company, Ltd., 7-22-2 Tsukaguchi-Hanmachi, Amagasaki, Hyogo-Ken, Japan
Shibamoto, T., Dept. of Environmental Toxicology, University of California, Davis, CA 95616, United States
Essential Oil Composition of Origanum ramonense Danin Leaves from Israel
Essential oils of Origanum ramonense Danin leaves were obtained using two methods: steam-distillation followed by dichloromethane extraction (SDR), and simultaneous purging and extraction (SPE). Volatile constituents of the oils were isolated and identified by GC and GC/MS. A total of 132 compounds were identified using both methods. Among the more than 90 compounds identified in the oil obtained by SDR, 42 were alcohols which composed 79.5% of total GC peak area. The major volatile constituents of this oil were α-terpineol (41.53%), terpinen-4-ol (16.80%), cis-sabinene hydrate (13.17%), eugenol (3.61%), and γ-terpinene (3.40%). Among 90 constituents identified in oil obtained by SPE, 28 were hydrocarbons which composed 55.70% of total GC peak area. The major constituents of oil obtained by SPE were 1,8-cineol (17.46%), γ-terpinene (14.69%), terpinen-4-ol (13.88%), α-terpinene (9.37%) and α-terpineol (6.83%).
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