GC/MS and PCA Analysis of Volatile Compounds Profile in Various Ilex Species
Anna Zwyrzykowska-Wodzińska, Piotr Okińczyc, Jakub Szperlik, Bogdan Jarosz, Przemysław Bąbelewski, Antoni Szumny, Zdenek Zadák, Anna Jankowska-Mąkosa, Damian Knecht
TL;DR
This study uses GC/MS and PCA to analyze volatile compounds in Ilex species, revealing differences in their chemical profiles and potential bioactive components.
Contribution
The study introduces a detailed analysis of volatile compounds in Ilex species using HD-SPME-GC/MS and multivariate statistical methods.
Findings
(Z)-2-hexenal and methyl salicylate are key factors in determining similarity between Ilex samples.
PCA and dendrogram analysis showed secondary impact of compounds like thymoquinone and o-methyl-anisole on phytochemical profiles.
Variations in volatile profiles may be due to environmental factors, chemotypes, or microorganisms.
Abstract
Species of Ilex genus are particularly rich in bioactive constituents such as polyphenols, saponins, and alkaloids. In terms of phytochemical research, volatile compounds have not been as widely investigated as non-volatile ones. Therefore, in the present research we investigated the phytochemical profile of selected Ilex species by headspace-solid phase-microextraction coupled with gas chromatography-mass spectrometry (HD-SPME-GC/MS). Phytochemical profile between the same and different species was variable. For this reason, it was investigated by principal component analysis (PCA), matrix correlation (calculation of R2 and Pearson correlation parameter between samples) as well as hierarchical clustering (dendrogram). In our results, we exhibited that the amount of (Z)-2-hexenal and methyl salicylate was the most important factor for ascertaining similarity between samples. However,…
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Taxonomy
TopicsHeavy Metals in Plants · Nigella sativa pharmacological applications · Phytochemicals and Antioxidant Activities