Chemical Composition and Antimicrobial Activity of the Essential Oils of Three Closely Related Hypericum Species Growing Wild on the Island of Crete, Greece
Source abstract
Abstract
The volatile compositions of three closely related Hypericum species growing wild on the island of Crete were studied, all belonging to the section Coridium. Hydro-distillation in a modified Clevenger-type apparatus was performed according to the Hellenic Pharmacopoeia in order to obtain the essential oils, which were analyzed by GC-MS. Identification of the compounds was carried out by comparison of MS spectra and retention indices with literature data, as well as by co-chromatography with authentic samples. In total, 123 different compounds were identified and the main compounds were by order of their abundance as follows: H. empetrifolium: α-pinene, germacrene D, β-pinene, E-caryophyllene; H. amblycalyx: β-elemene, β-selinene, α-pinene, E-caryophyllene, α-selinene; H. jovis: trans-calamenene, α-selinene, β-elemene. The chemical results revealed the differences and similarities (qualitative and quantitative) between the studied oils, supporting the hypothesis that essential oils from Hypericum spp. do not serve as chemotaxonomic markers. Moreover, the essential oils were subjected to antimicrobial screening. According to the given results, the essential oils possessed better antifungal and anticandidal activities than antibacterial activities.
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Research context
OpenAlex topics: Natural Compound Pharmacology Studies · Phytochemistry and Biological Activities · Plant Parasitism and Resistance
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, Panepistimiopolis, Zografou, 15771 Athens, Greece
Division of Plant Biology, Department of Biology, University of Crete, GR-70013 Heraklion, Greece
Laboratory of Taxonomy and Management of Wild Flora, Department of Agriculture, School of Agricultural Sciences, Technological Educational Institute of Crete, Stavromenos P.O. Box 140, 71110 Crete, Greece
Institute for Biological Research ‘‘Siniša Stanković’’—National Institute of Republic of Serbia, University of Belgrade, Blvd. Despot Stefan 142, 10060 Belgrade, Serbia
Funding
State Scholarships Foundation
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