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COMPARATIVE STUDY ON THE VOLATILES’ COMPOSITION OF IRIS DICHOTOMA PALL. RHIZOME EXTRACTS

WIRGINIA KUKULA-KOCH1*, KRYSTYNA SKALICKA-WOŹNIAK1, ELWIRA SIENIAWSKA1, JAROSŁAW WIDELSKI1, OTGONBATAAR URJIN2, PAWEŁ GŁOWNIAK1

1.Department of Pharmacognosy with Medicinal Plants Unit, Medical University of Lublin, 1 Chodzki, 20-093 Lublin, Poland
2.School of Pharmacy, Health Sciences University of Mongolia, 3 Zorig Street, 14210 Ulaanbaatar, Mongolia

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The current study was performed to examine the qualitative and quantitative composition of the essential oil, n-hexane and ethanol extracts from the rhizomes of Iris dichotoma Pall. for their volatile content. The essential oil was particularly found to possess the most rich composition, while the latter extracts (n-hexane and ethanolic ones) consisted of various fatty acid esters. GC and GC-MS analyses of the oil resulted in the identification of 28 components. Among them myristic acid (13.67 %), methyl myristate (9.08 %), and α- terpineol (2.42 %) were found to be the dominant compounds. The qualitative composition of both n-hexane and ethanol extracts of Iris dichotoma Pall., obtained by pressurized liquid extraction, was similar and revealed the presence of 6 components, which were identified as natural products with methyl myristate as the major one (22.47 % and 10.18 % in ethanolic and n-hexane extracts, respectively).