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Öğe Essential Oil Constituents of Achillea biebersteinii Afan(1993) Chialva, F.; Monguzzi, F.; Manitto, P.; Akgül, A.The essential oil composition of Achillea biebersteinii Afan., collected in Turkey, is reported. Using GC and GC/MS, forty-seven compounds were found of which more than 60% of the oil was represented by 1, 8-cineole (46.1%) and camphor (17.6%). The other major constituents were ?-terpineol (8.2%), borneol (3.4%), sabinene (3.2%) and terpinen-4-ol (3.1%). © 1993 Allured Publishing Corp.Öğe Essential Oil Constituents of Trachyspermum copticum (L.) Link Fruits(1993) Chialva, F.; Monguzzi, F.; Manitto, P.; Akgül, A.The essential oil, which was obtained by steam distillation of fruits of Trachyspermum copticum (L.) Link harvested in Turkey, was analyzed direcdy by GC and GC/MS. Twenty-seven compounds were identified of which thymol (61%) was present in greatest quantity. Other major components were p-cymene (15.6%) and ?-terpinene (11.9%) © 1993 Allured Publishing Corp.Öğe Essential Oils of Four Turkish Wild-growing Labiatae Herbs: Salvia cryptantha montbr. Et Auch., Satureja cuneifolia ten., Thymbra spicata L. and Thymus cilicicus boiss. Et Bal(1999) Akgül, A.; Özcan, M.; Chialva, F.; Monguzzi, F.The essential oils obtained by hydrodistillation of four Labiatae herbs, namely Salvia crytantha. Montbr. et Auch., Satureja cuneifolia Ten., Thymbra spicata L. and Thymus cilicicus Boiss. et Bal. growing wild in Middle Anatolian provinces of Turkey, were analyzed by GC and GC/MS. Fifty-four compounds were identified in S. cryptantha oil of which camphor (18.1%), 1,8-cineole (17.8%), and bornyl acetate (11.4%) were major. In the oils of S. cuneifolia, 38 compounds were identified, with thymol (43.6-65.5%), carvacrol (4.7-31.2%), y-terpinene (trace-13.7%) and p-cymene (trace-11.5%) being dominant. Of the 33 compounds identified in T. spicata oil, the main components were p-cymene (22.1%), y-terpinene (21.4%), carvacrol (21.1%) and thymol (11.8%). The oil of T. cilicicus, which contained 35 constituents, was found to be rich in a-terpineol (16.4%) and camphor (9.7%). © 1999, Taylor & Francis Group, LLC. All rights reserved.Öğe Volatile Constituents of the Leaves of Persea Gratissima Gaertner. A Source of Methyl Chavicol(1992) Chialva, F.; Monguzzi, F.; Manitto, P.; Speranza, G.; Akgül, A.The essential oil of the leaves of Persea gratissima Gaertner cultivated in Turkey was investigated using GC and GC/MS. Twenty-nine of the thirty-six compounds were identified. The bulk of the oil is represented by methyl chavicol (78%). The content in this allylphenol appears to be higher than that normally found in die tarragon and basil oils. © 1992 Allured Publishing Corp.