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Abstract

In vitro Antifungal Effect of Mangrove extracts on Fusarium verticillioides Isolates

Author(s): I. G. Martinez-Alvarez, Karla Y. Leyva-Madrigal, I. E. Maldonado-Mendoza*, Maria E. Jaramillo-Flores1 and H. A. Gonzalez-Ocampo
Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR)-Unidad Sinaloa. Boulevard Juan de Dios Bátiz Paredes # 250, Col. San Joachin, 81101, Guasave, Sinaloa, México, 1Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Unidad Profesional Lázaro Cárdenas, Ampliación del Carpio y Plan de Ayala s/n, Col. Santo Tomas C.P. 11340 Del. Miguel Hidalgo México, D.F

Correspondence Address:
Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR)-Unidad Sinaloa. Boulevard Juan de Dios Bátiz Paredes # 250, Col. San Joachin, 81101, Guasave, Sinaloa, México, E-mail: [email protected]


The present study was conducted to identify the antifungal activity of phenolic compounds extracted from the mangrove, Rhizophora mangle against the Fusarium verticillioides isolates DA42, F64 and PO3. The total phenolic content was calculated using the Folin-Ciocalteu method. The in vitro inhibition test was performed according to the poisoned food technique. Stem extracts had the highest total phenolic content (9.5 mg GAE/g DM) and displayed major inhibition percentages against all F. verticillioides isolates. Furthermore, the concentration of this extract required to inhibit the three fungal isolates by 50 %, is 2 to 3 times greater on average than that required for leaf and root extracts. This study demonstrated the inhibitory activity of ethanol extracts of Rhizophora mangle roots, stems and leaves against different isolates of Fusarium verticillioides.



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