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Records of Natural Products
Yazarlar: Milka Janin, Iris Đorđević, Vele Tešević, Vlatka Vajs, Nebojša Menković, Marina Soković, Jasmina Glamočlija Slobodan Milosavljević
Konular:-
Anahtar Kelimeler:Amphoricarpos autariatus ssp. autariatus,Asteraceae,Leaf-surface sesquiterpene lactones,Amphoricarpolides,Antifungal activity.
Özet: The composition of leaf cuticular neutral lipids of Amphoricarpos autariatus ssp. autariatus collected at canyon of river Tara (North Montenegro) was investigated by GC/MS (nonpolar fraction), LC-ESI TOF MS and 1H NMR spectroscopy (more polar fraction). The nonpolar fraction (ca. 15% of the whole surface extract) contained C 27 - 33 n-alkanes, those with odd-number of carbons predominating. The LC-ESI MS and 1H NMR of the more polar fraction revealed 13 sesquiterpene lactones, constituting ca. 97.5% of the lactone mixture, identified as the known guaianolides, so-called amphoricarpolides, found previously in the aerial parts of the genus. The lactone fraction exhibited considerable in vitro effect against eight fungi, i.e. Aspergillus ochraceus , A. niger, A. versicolor , Penicillium funiculosum, P. ochrochloron, Trichoderma viride, Fusarium verticillioides and Fulvia fulvum.