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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Chemija / Chemistry (N003)
Author(s): Kaškonienė, Vilma;Kaškonas, Paulius;Jalinskaitė, Modesta;Maruška, Audrius
Title: Chemical composition and chemometric analysis of variation in essential oils of Calendula officinalis L. during vegetation stages
Is part of: Chromatographia. Wiesbaden : Vieweg, 2011, Vol. 73, suppl. 1
Extent: p. 163-169
Date: 2011
Keywords: Gas chromatography;Supercritical fluid extraction;Chemometric analysis;Essential oils;Vegetation stages;Calendula officinalis
Abstract: 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)
Affiliation(s): Biochemijos katedra
Gamtos mokslų fakultetas
Kauno technologijos universitetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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