Antifungal cinnamic acid derivatives from Persian leek (Allium ampeloprasum Subsp. Persicum) |
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Authors: | Masoud Sadeghi Behzad Zolfaghari Mauro Senatore Virginia Lanzotti |
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Institution: | 1. Department of Pharmacognosy, Isfahan University of Medical Sciences, Hezar Jerib Avenue, 73461 Isfahan, Iran;2. Dipartimento di Agraria, Università degli Studi di Napoli “Federico II” via Università 100, 80055 Portici Napoli, Italy |
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Abstract: | A cinnamic imidate, (1Z,2E)-methyl 3-(-p-hydroxy-m-methoxyphenyl)-N-(-p-hydroxyphenethyl) acrylimidate, named persicoimidate (1), has been isolated and characterized from bulbs and seeds of Persian leek, Allium ampeloprasum Subsp. Persicum. Two cinnamic acid derivatives, N-feruloyl tyramine (2) and N-caffeoyl tyramine (3) were isolated from bulbs and seeds. Compound 2 has been previously reported from garlic and leek, while compound 3 is described in Allium plants for the first time. The chemical structures of the isolated compounds have been elucidated unambiguously by spectroscopic methods, including 2D NMR and MS. The isolated compounds were evaluated for their antifungal activity against four fungal pathogens, the soil-borne pathogen Penicillium italicum, the air-borne pathogens Aspergillus niger and Botrytis cinerea, and the antagonistic fungi Trichoderma harzianum to evaluate the possible involvement of such compounds in resistance to pathogen attack. |
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Keywords: | Persian leek Bulbs Seeds Cinnamic imidate Cinnamic amide Antifungal activity |
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