GC-MS chromotograph of OVA essential oil in the period of fruiting. 1: Sabinene, 2: Eucalyptol, 3: trans-β-Ocimene, 4: γ-Terpinene, 5: β-Ocimene, 6: o-Cymene, 7: α-Terpinolene, 8: Ethylamylcarbinol, 9: Matsutake, 10: (-)-β-Bourbonene, 11: β-Linalool, 12: β-Caryophyllene, 13: L-4-terpineol, 14: α-Humulene, 15: α-Terpineol, 16: Germacrene D, 17: I-β-Bisabolene, 18: Elixene, 19: trans-α-Farnesene, 20: (+)-δ-Cadinene, 21: β-Caryophyllene epoxide, 22: Ent-Spathulenol, 23: tau-Cadinol, 24: 6-Isopropenyl-4,8a-dimethyl-3,5,6,7,8,8a-hexahydro-2-(1H)-naphthalenone, 25: α-Cadinol, 26: Tricyclo[5.2.2.0(1,6)]undecan-3-ol, 2-methylene-6,8,8-trimethyl, 27: Tetracyclo[6.3.2.0(2,5).0(1,8)]tridecan-9-ol,4,4-dimethyl, 28: trans-Z-α-Bisabolene epoxide, 29: 15,15`-Bi-1,4,7,10,13-pentaoxacyclohexadecane, 30: 3,6,9,12,15,18,21-Heptaoxatritriacontan-1-ol, 31: 3-Ethyl-5-(2-ethylbutyl)octadecane, 32: Isodecyl octyl phthalate. GC-MS: gas chromatography–mass spectrometry, OVA: Origanum vulgare of the Armenian highlands.