Comparative composition of four essential oils of Oregano used in Algerian and Jordanian folk medicine.
The essential oils obtained from Origanum glandulosum Desf., collected from two different localities of north-eastern Algeria, Constantine and Jijel, and from O. syriacum var. syriacum grown at El-Aghwar (northern Jordan) and El-Shubak (southern Jordan), were analyzed by GC-MS. p-Cymene (6.6% and 7.5%) and gamma-terpinene (13.4% and 14.5%) were found in O. glandulosum grown at Constantine and Jijel, respectively, in addition to the major components thymol (34.2%, 51.1%) and carvacrol (30.5%, 6.8%). The oil of O. syriacum L. var syriacum (Boiss.) Ietswaart from El-Shubak was mainly represented by thymol (51.8%) and carvacrol (34.4%), while the oil from El-Aghwar was a thymol-chemotype (72.4%), along with gamma-terpinene (7.8%) and p-cymene (5.4%).
Berrehal
Djemaa
D
Laboratoire d'Obtention de Substances Thérapeutiques (L.O.S.T), Faculté des Sciences, Université Mentouri - Constantine, Campus Chaabat Ersas, 25000 Constantine, Algeria.
Boudiar
Tarek
T
Hichem
Lakhal
L
Khalfallah
Assia
A
Kabouche
Ahmed
A
Al-Freihat
Ahmad
A
Ghannadi
Alireza
A
Sajjadi
Ebrahim
E
Mehrabani
Mitra
M
Safaei-Ghomi
Jawad
J
Kabouche
Zahia
Z
D000462:Algeria; D007597:Jordan; D008519:Medicine, Traditional; D009822:Oils, Volatile / Q000737:chemistry*; D031341:Origanum / Q000737:chemistry*; D010938:Plant Oils / Q000737:chemistry*
D009822:Oils, Volatile; D010938:Plant Oils