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Abstract
Phenolic compounds from plants offer a means for both the prevention and detoxification of mycotoxins that affect human health. This research investigates the control of fungal growth and toxin production by Fusarium verticillioides with plant phenolic compounds, namely chlorophorin, iroko and maakianin, benzoic acid, caffeic acid, ferulic acid, and vanillic acid. Inhibition by these compounds of fungal growth was determined by the agar overlay method and their effect on fumonisin B1 (FB1) production was determined by high-performance liquid chromatography. Chlorophorin was the most effective compound in inhibiting fungal growth, followed by iroko, maakianin, vanillic acid and caffeic acid. Chlorophorin also was the most effective compound in reducing toxin production (94% reduction), followed by caffeic acid, ferulic acid, vanillic acid and iroko, which reduced FB1 levels by 90–91%. The widespread occurrence of fumonisins world-wide and the lack of adequate prevention of fumonisins require ‘biologically safe’ alternatives to prevent the transfer of fungi and their health hazardous toxins into our daily foods and environment.
