Determination of Essential Oil Raties and Chemical Compositions of Dried and Fresh Peppermint (Mentha piperita L.) Leaves Grown in Kırşehir Conditions
2025
Emine Bilginoğlu
The aim of this study is to examine the essential oil ratios and components of fresh and dried peppermint leaves cultured in Kırşehir ecological conditions. To obtain essential oil from the leaves of the peppermint (Mentha piperita L.), it was subjected to hydrodistillation for 3 hours using a Clevenger type apparatus. GC-MS analysis was performed with the Shimadzu QP2010-Ultra GC-MS system. Relative percentages of separated compounds were calculated from total ion chromatograms. Identification of the components of peppermint essential oil was based on Wiley and NIST mass spectral library. The essential oil percentages obtained from fresh and dried peppermint leaves were determined as 0.84% and 2.6%, respectively. The major components of the essential oil of fresh Mentha piperita L. leaves were determined as menthol (43.28%), menthone (19.68%), eucalyptol (7.60%), pulegone (3.41%), β-Caryophyllene (2.10%), Germacrene-D (1.82%) and veridifluorol (1.1%). The major components of the essential oil of dried peppermint leaves were determined as menthol (45.95%), menthone (19.00%), eucalyptol (8.06%), pulegone (2.23%), β-Caryophyllene (2.72%), Germacrene-D (2.21%) and veridiflorol (0.81%). The highest essential oil ratio, the highest menthol and the highest menthone ratio were obtained from dried peppermint leaves. Results, it was determined that there were significant differences between the essential oil ratios and components of dried and fresh leaf peppermint (Mentha piperita L.) cultivated in Kırşehir ecological conditions.
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