Efficacy of acetic acid and sodium bicarbonate in inhibiting Aspergillus ochraceus and reducing ochratoxin A

Halima Hussein, Muneer Al-Baldawy, Amna Ali

Abstract


The current study aimed to identify safe products that could serve as biological control agents against fungi responsible for the accumulation of ochratoxin A in poultry feed. Both acetic acid and sodium bicarbonate exhibited inhibitory effects against Aspergillus ochraceus on culture media and significantly reduced ochratoxin A levels. When incorporated into Potato Dextrose Agar medium, acetic acid completely inhibited the growth of A. ochraceus (100% reduction). A similar effect was observed with sodium bicarbonate, which also achieved 100% growth inhibition when applied at a 5% concentration. Furthermore, ochratoxin A levels were reduced by 65.7% and 43.6% after one month of treatment with 0.5% acetic acid and 1% sodium bicarbonate, respectively. By the second month, both treatments achieved complete (100%) reduction of ochratoxin A. These findings suggest that both compounds are effective and safe options for mitigating the harmful effects of A. ochraceus in poultry feed.

Keywords


A. ochraceus, Acetic acid, Ochratoxin A, Sodium bicarbonate, Detoxification

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References


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DOI: https://doi.org/10.33804/pp.009.02.5594

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