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Title

EVALUATION OF PHYTOCHEMICAL DIVERSITY OF BACHTIARIAN SAVORY (SATUREJA BACHTIARICA BUNGE) POPULATIONS ENDEMIC TO ILAM

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Abstract

 IN ORDER TO EVALUATE PHYTOCHEMICAL DIVERSITY OF BACHTIARIAN SAVORY (SATUREJA BACHTIARICA BUNGE) AERIAL PARTS WERE COLLECTED AT FULL BLOOMING STAGE FROM FROM DIFFERENT LOCATIONS OF ILAM PROVINCE, IRAN. THEIR ESSENTIAL OILS WERE OBTAINED USING HYDRO-DISTILLATION METHOD BY A CLEVENGER APPARATUS. ESSENTIAL OILS COMPOSITION DETERMINED USING GAS CHROMATOGRAPHY AND GAS CHROMATOGRAPHY – MASS SPECTROMETRY TECHNIQUES, TO CHECK CHEMICAL VARIABILITY. 27 COMPONENTS WERE IDENTIFIED IN THE OILS AND THYMOL (39.28-87.30%), P-CYMENE (0.15-30.63%), GAMA-TERPINEN (2.04-14.71%) AND CARVACROL (0-8.41%) WERE THE MAJOR COMPONENTS OF ALL ACCESSIONS. POPULATIONS WERE GROUPED USING PRINCIPAL COMPONENT ANALYSIS AND CLUSTER ANALYSIS. CLUSTER ANALYSIS BY WARD ALGORITHM LED TO THE IDENTIFICATION OF THREE CHEMOTYPES. PRINCIPAL COMPONENTS ANALYSIS SHOWED SIGNIFICANT NEGATIVE CORRELATION BETWEEN THYMOL AND EACH OFF COMPONENT CARVACROL PERCENTAGE, P- CYMENE AND GAMA-TERPINENE AND SIGNIFICANT POSITIVE CORRELATION BETWEEN P-CYMENE AND GAMA-TERPINENE. THE RESULTS REVEALED EXISTENCE OF HIGH PHYTOCHEMICAL DIVERSITY AMONG ECOTYPES OF SATUREJA BACHTIARICA.

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