Aflatoxins detoxification in sunflower meal by ammoniation
1995
Ahmad, M.A. | Shamsuddin, Z.A | Khan, B.A. | Khan, M.A. (PCSIR Lab., Karachi (Pakistan))
Ammonia has been found to reduce efficiently naturally occurring aflatoxins present in sunflower meal on pilot plant scale. One percent of ammonia detoxified 96.53 n 2.52% of aflatoxins in 30 min at 100 n 1 Centigrade under 10 n 0.5 psi of steam pressure. The levels of naturally occurring aflatoxins in sunflower meal ranged from 113 Mew g/kg to 3322 Mew g/kg. Not much variation was observed in the detoxification process with the increase in aflatoxins content. Resultant detoxified product was found to be free of ammoniacal smell with an average ammoniacal nitrogen of 0.1% and average moisture content of 9.37%. The aflatoxins detoxified sunflower meal showed no toxic effect towards egg production in layer when incorporated in the rations at an inclusion rate from 8.5 to 15%, as a vegetable source of protein. The pilot-plant process demonstrated the effective way of destroying aflatoxins in sunflower meal.
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