Figure 5

HPLC chromatographs for ochratoxin A levels. (A) OTA level in spiked culture media without Bacillus subtilis, (B) ochratoxin A level in spiked culture media treated with intracellular extract, extracellular extract and viable cells and heat-treated cells of Bacillus subtilis, (C) standard curve of ochratoxin A with different concentrations.