Citrus flavonoids against Fusarium verticillioides in post‐harvest maize: Minimization of fumonisins and alteration of fungal ultrastructure
- Pok, Paula Sol
- García Londoño, Víctor Alonso
- Vicente, Sebastián
- Pacin, Ana
- Alzamora, Stella Maris
- Resnik, Silvia Liliana
DOIAbstract
Aims: To minimize fumonisins (FBs) accumulation by Fusarium verticillioides in post-harvest maize, using flavonoids obtained from citrus residues: naringin (NAR), neohesperidin (NEO), quercetin (QUER), and its mixtures. Methods and Results: Response surface methodology with Box-Behnken design was applied in maize at 0.98 and 0.95 aw. The optimal mixture found, composed of 0.40 mmol kg−1 NAR, 0.16 mmol kg−1 NEO and 0.37 mmol kg−1 QUER, reduced the accumulation of FBs B1, B2, and B3 by 88 ± 6%, 90 ± 6% and 85 ± 5%, respectively, when applied to maize at 0.98 aw. The mentioned mixture led to a 54 ± 9% reduction of fumonisin B1 accumulation in maize adjusted to 0.95 aw. These flavonoids applied individually and as a mixture, affected the struct...
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