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Updated: Sep 13, 2025

Isolation and Compositional Analysis of Plant Cuticle Lipid Polyester Monomers
Published on: November 22, 2015
Very-Long-Chain Resorcinolic Lipids of Ailanthus altissima Samaras
Elżbieta G Magnucka1, Robert Zarnowski2, Przemysław Bąbelewski3
1Laboratory of Biogeochemistry and Environmental Microbiology, Department of Plant Protection, Wrocław University of Environmental and Life Sciences, Grunwaldzka St. 53, 50-357 Wrocław, Poland.
Abstract:
Two new very-long-chain 5-n-alkylresorcinol (AR) homologues, that is, 5-n-nonacosylbenzene-1,3-diol and 5-n-hentriacontylbenzene-1,3-diol, were isolated from acetone extracts of Ailanthus altissima samaras. These phenolic compounds were detected in nearly equal proportions, although their total content varied considerably between samples from urban-grown trees. No correlation was observed between AR levels and the physiological state of the tree, suggesting that environmental conditions may strongly influence AR biosynthesis in A. altissima. Furthermore, the isolated AR mixture exhibited antifungal activity against soil-borne phytopathogens of the genera Fusarium and Rhizoctonia.
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