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Sodium Bicarbonate Inhibition of Aflatoxigenesis in Corn
Thomas J Montville1, Peter K Goldstein1
1Department of Food Science, New Jersey Agricultural Experiment Station, Cook College, Rutgers - the State University, New Brunswick, N.J. 08903.
Abstract:
This study sought to determine if the ability of sodium bicarbonate and ammonium bicarbonate to inhibit aflatoxigenesis in microbiological media could be extended to corn systems. A method for applying bicarbonates evenly to corn was developed. Aflatoxin levels of sodium bicarbonate-treated (0.17 % wt/wt) corn were reduced to one-third those of untreated corn when both were inoculated with Aspergillus parasiticus spores and incubated at 30°C for three weeks. While both sodium and ammonium bicarbonate reduced the amount of fungal growth, only sodium bicarbonate reduced aflatoxin production.
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