Özet:

Rosemary,(Rosmarinus officinalis L.) belongs to Lamiaceae family, is an aromatic plant, widely distributed in Mediterranean region.  Rosemary has been used in folk medicine, cosmetics, and in food endustry. In this study the herbs of rosemary were collected from Campus of Kahramanmaraş Sütçü İmam University. Plant materials were obtained in summer, autumn, winter and spring. The essential oil of the dried plant material was obtained by distillation method. Essential oil of the samples were analysed by GC-MS. As the results of the analyses twenty seven component were determined. The major components were 1.8 cineole (41.25%-45.96%), isoborneol (11.96%-14.89%), α-pinene (9.28%-11.22%) and α-terpineol (4.65%-8.41%). Camphene (3.29%-3.51%), limonene (2.89%-3.61%), p-cymene (3.64%-4.26%) and bornyl acetate (2.02%-3.13%) found as moderately high compounds.  As the results, amount of the main components showed significant diversity by seasonal variation and chemotype of the R. officinalis determined as 1.8 cineole.

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