Aflatoxin in corn: ammonia inactivation and bioassay with rainbow trout
1977
Brekke, O.L. | Sinnhuber, R.O. | Peplinski, A.J. | Wales, J.H. | Putnam, G.B. | Lee, D.J. | Ciegler, A.
Four samples of corn were compared with respect to their hepatocarcinogenicity in rainbow trout. One corn sample was found by chemical analysis to contain no detectable aflatoxin. A second sample was contaminated with aflatoxins at a level of 180 microgram/kg. Each of the above-mentioned samples was divided, and one-half of each was ammoniated. These four samples were added to a semipurified basal diet and fed to a sensitive strain of rainbow trout. It was found that ammoniation inactivated the aflatoxins and reduced the carcinogenicity of the contaminated corn to a level that was not significantly different from that with the basal control diet. It was also found that the ammoniation process did not reduce the nutritive value of the corn.
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