caa a22 4500 445801808 CHVBK 20180317145143.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s10337-011-1910-0 doi (NATIONALLICENCE)springer-10.1007/s10337-011-1910-0 Chemical Composition and Chemometric Analysis of Variation in Essential Oils of Calendula officinalis L [Elektronische Daten] during Vegetation Stages [Vilma Kaškonienė, Paulius Kaškonas, Modesta Jalinskaitė, Audrius Maruška] The variation in the content and composition of Calendula officinalis essential oils was studied using supercritical CO2 extraction followed by GC-MS. Samples of marigold were harvested at four different vegetation stages. A total of 43 different compounds were identified in the essential oils. The identified components were represented mainly by monoterpenes, sesquiterpenes and sesquiterpene alcohols. The qualitative and quantitative composition of the essential oils of C. officinalis varied during the studied vegetation stages. To determine the significance of changes in the identified compounds, to classify the obtained plant samples into groups and to find the similarity measure between them, several statistical data mining techniques were applied, namely hypothesis testing, principal component analysis and hierarchical cluster analysis. α-Thujene, α-pinene, γ-cadinene and δ-cadinene were predominant in all vegetation phases. Development of buds and the end of the flowering stages were distinguished by the highest content of essential oils, while full-flowering stage was distinguished by sesquiterpenols (1,10-di-epi-cubenol, 1-epi-cubenol, τ- and α-cadinols, β-selinelol constituted 11.6% of the oils). Springer-Verlag, 2011 Gas chromatography nationallicence Supercritical fluid extraction nationallicence Chemometric analysis nationallicence Essential oils nationallicence Vegetation stages nationallicence Calendula officinalis nationallicence Kaškonienė Vilma Department of Biochemistry and Biotechnologies, Vytautas Magnus University, Vileikos Str. 8, 44404, Kaunas, Lithuania aut Kaškonas Paulius Electronic and Measurement Systems Department, Kaunas University of Technology, Studentų Str. 50, 51368, Kaunas, Lithuania aut Jalinskaitė Modesta Department of Biochemistry and Biotechnologies, Vytautas Magnus University, Vileikos Str. 8, 44404, Kaunas, Lithuania aut Maruška Audrius Department of Biochemistry and Biotechnologies, Vytautas Magnus University, Vileikos Str. 8, 44404, Kaunas, Lithuania aut Chromatographia Springer-Verlag 73(2011-06-01), 163-169 0009-5893 73<163 2011 73 10337 https://doi.org/10.1007/s10337-011-1910-0 text/html Onlinezugriff via DOI 1 brief-communication jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10337-011-1910-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kaškonienė Vilma Department of Biochemistry and Biotechnologies, Vytautas Magnus University, Vileikos Str. 8, 44404, Kaunas, Lithuania aut NATIONALLICENCE 700 1- Kaškonas Paulius Electronic and Measurement Systems Department, Kaunas University of Technology, Studentų Str. 50, 51368, Kaunas, Lithuania aut NATIONALLICENCE 700 1- Jalinskaitė Modesta Department of Biochemistry and Biotechnologies, Vytautas Magnus University, Vileikos Str. 8, 44404, Kaunas, Lithuania aut NATIONALLICENCE 700 1- Maruška Audrius Department of Biochemistry and Biotechnologies, Vytautas Magnus University, Vileikos Str. 8, 44404, Kaunas, Lithuania aut NATIONALLICENCE 773 0- Chromatographia Springer-Verlag 73(2011-06-01), 163-169 0009-5893 73<163 2011 73 10337 Metadata rights reserved Springer special CC-BY-NC licence nationallicence SWISSBIB 445801808 BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer