Aflatoxin inactivation in corn by ammonia gas: a field trial
1979
Brekke, O.L. | Peplinski, A.J. | Nofsinger, G.W. | Conway, H.F. | Stringfellow, A.C. | Montgomery, R.R. | Silman, R.W. | Sohns, V.E. | Bagley, E.B.
Aflatoxin B1 content of naturally contaminated maize was reduced from 750 to 7 mu g/kg by ammoniation. A 29 t stationary bed of maize was treated during warm weather with a recycling ammonia-air mixture in a sealed, outdoor metal grain storage-drying bin. The maize was moisture conditioned from 12 to 17.5% (w.b.) and 1.5% (d.b.) ammonia was added, after which it was held 13 days at 32 - 43 deg C and dried to <11% m.c. The decontaminated maize, an ammoniated good maize, and their unammoniated counterparts are being evaluated in feeding tests with pigs and laying hens.
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