Integrated evaluation of Chrysanthemum × morifolium (Ramat.) Hemsl. essential oil, compared with α-terpineol, β-pinene, borneol, and camphor: In vitro and in situ antibacterial activity against selected microorganisms and insecticidal effects on bruchine beetles

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dc.contributor.authorKačániová, Miroslava
dc.contributor.authorQiao, Minhang
dc.contributor.authorZhang, Guiguo
dc.contributor.authorBianchi, Alessandro
dc.contributor.authorElizondo-Luevano, Joel Horacio
dc.contributor.authorHsouna, Anis Ben
dc.contributor.authorSaad, Rania Ben
dc.contributor.authorBan, Zhaojun
dc.contributor.authorLi, Li
dc.contributor.authorLou, Jian
dc.contributor.authorKluz, Maciej Ireneusz
dc.contributor.authorGarzoli, Stefania
dc.date.accessioned2026-05-08T09:25:33Z
dc.date.available2026-05-08T09:25:33Z
dc.date.issued2026-05-05
dc.description.abstractAbstract: "The present study evaluated the antimicrobial, antibiofilm, in situ food model, and insecticidal activities of Chrysanthemum × morifolium (Ramat.) Hemsl. white essential oil (CMEO) in comparison with its major constituents α-terpineol, β-pinene, endo-borneol, and camphor. CMEO was chemically characterized by GC–MS and contained mainly α-terpineol, capric acid, β-pinene, α-pinene, and camphene, together accounting for almost the entire identified fraction. In vitro, CMEO showed broader and stronger antimicrobial effects than all the tested constituents against a panel of Gram-negative and Gram-positive bacteria and Candida spp., as reflected by markedly lower MIC50/MIC90 values, particularly for Yersinia enterocolitica and Candida albicans. In vapor phase tests on apple, pear, parsley, and Hokkaido pumpkin slices, CMEO produced high and concentration-dependent growth inhibition in all microorganisms, including a biofilm-forming Salmonella enterica strain, whereas the individual constituents showed only limited or inconsistent activity, particularly at lower concentrations. Crystal violet assays showed that CMEO inhibited established Salmonella enterica biofilms with MIC50 = 2.46 mg/mL and MIC90 = 2.64 mg/mL, while the individual constituents required markedly higher concentrations, with α-terpineol showing the strongest activity among them (MIC50 = 1.38–3.60 mg/mL). MALDI-TOF MS profiles and MSP dendrograms confirmed clear and time-dependent differences between planktonic and surface-attached cells on wood and stainless steel, with more pronounced shifts in the presence of CMEO. In insecticidal assays, CMEO caused high mortality of Callosobruchus maculatus and Megabruchidius dorsalis down to 25–12.5%, whereas the individual constituents showed only moderate effects, with α-terpineol being the most active (LC50 =24.74% for C. maculatus; LC90 =32.62% for M. dorsalis). Overall, the data demonstrate that CMEO consistently outperforms tested individual constituents across all models, confirming that no single constituent alone accounts for the observed biological activity of the oil."(...)
dc.identifier.citationIndustrial Crops & Products, 2026, Volume 246
dc.identifier.doihttps://doi.org/10.1016/j.indcrop.2026.123380
dc.identifier.eissn1872-633X
dc.identifier.urihttps://hdl.handle.net/11315/31590
dc.language.isoen
dc.publisherElsevier B.V.
dc.rightshttp://creativecommons.org/licenses/by/4.0/
dc.subjectChrysanthemum × morifolium (Ramat.) Hemsl.
dc.subjectEssential oil
dc.subjectα-terpineol
dc.subjectβ-pinene
dc.subjectBorneol
dc.subjectCamphor
dc.subjectAntimicrobial activity
dc.subjectBiofilm
dc.subjectMALDI-TOF MS
dc.subjectFood model systems
dc.subjectInsecticidal activity
dc.subject.otherRolnictwo
dc.titleIntegrated evaluation of Chrysanthemum × morifolium (Ramat.) Hemsl. essential oil, compared with α-terpineol, β-pinene, borneol, and camphor: In vitro and in situ antibacterial activity against selected microorganisms and insecticidal effects on bruchine beetles
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