Activity of acetic acid and sodium bicarbonate to inhibit Asergillus ochraceus on culture media and detoxification of ochratoxin A in poultry diet

Abstract

The study was conducted to evaluate the activity of acetic acid and sodium bicarbonate to inhibit Aspergillus ochraceus on culture media and reduce ochra toxin A in poultry diet. It was found that addition of acetic acid into PDA medium 0.2%, 0.5% and 4% could reduce A ochraceus growth by 90.22%, 98.77and 100%, respectively. Similar reduction in A ochraceus growth was obtained on PDA containing sodium bicarbonate that attained to 81%, 91.5%, and 100% at 4%, 2% and 5% concentrations, respectively. Results showed that addition of acetic acid at 0.5% and sodium bicarbonate at 1% could reduce ochre A mycotoxin by 65.7% and 43.6%, respectively in the first month and then reached to 100% in the second month for the two compounds.