Constituyentes antifungicos en nódulos radicales de Alnus Acuminata H.B.K.
Antifungal constituents in alnus acuminata H.B.K. nodules
Keywords:
antifungicos, nódulos radicales, alnus acuminata, H.B.K, especie, nitrógeno, microflora, suelo, compuestos (es)Downloads
fijadores de nitrógeno. La composición química de los nódulos no se ha establecido; sin embargo, se ha observado que actúa sobre la microflora del suelo. Con el fin de establecer la composición química de las fracciones obtenidas, se.realizaron extracciones a partir de nódulos de Aliso. Los compuestos
aislados 'fueron: xilosa y ribosa; además se caracterizaron un ácido carboxílico aromático, un ácido graso, un biariheptanoide
fenólico y un glicósido de flavonoide. Esta última sustancia inhibió el crecimiento de Fusarium oxvsporum y Pythium sp.
that can fix nitrogen. The nodules chemical composition has not been sstablished, but, it has been seen that it has influence over the soil microflora. In order to establish the chemical composition and the activity of the obtained fractions, there were made extractions of the alder nodules. The insulated compounds were; xylose and ribose; an aromatic carboxylicaeid, an fatty aeid, an phenolic biarylheptanoid and a flavonoid glycosic. were also founded. The Fusarium oxysporum and Pythium sp. growing was inhibited by this last one sustance.
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