Abstract
The effective concentrations of benzoic acid (BA), butylated hydroxyanisole (BRA), and carvacrol (CA) that reduced radial growth of Fusarium and Penicillium species by 50% (EC50) are reported. The EC50 of BA, BRA, CA was lower for species of Fusarium, ranging from 210 to 420 μg/ml of BA, 50 to 75 μg/ml of BRA, and 50 to 165 μg/ml of CA. The EC50 for Penicillium species of BA, BRA, and CA ranged from 250 to 3,000 μg/ml, 100 to 275 μg/ml, and 200 to 350 μg/ml, respectively. While the test fungi showed varying responses to subinhibitory concentrations of the compounds, the results of this investigation revealed that Fusarium species were more sensitive to BA, BRA, and CA than Penicillium species.
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