Determination of Aflatoxin B1 in Food and Feedstuffs in Cuba (1990 through 1996) Using an Immunoenzymatic Reagent Kit (Aflacen)

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Abstract:

The presence of aflatoxin B1 was analyzed in imported food and feedstuffs of national production in the period of 1990 through 1996, destined to animal and human consumption using an immunoenzymatic reagent kit (Aflacen, Ckure, la Habana, Cuba) with a detection limit of 0.3 μg/kg. It was found that the 17.04% of a total of 4,594 analyzed samples presented aflatoxin B1, and the biggest percentages were in sorghum and peanut with an 83.3 and 40.4%, respectively. The corn, oat, wheat, and soy are fundamental raw ingredients in the elaboration of concentrates. Percentages of contamination with aflatoxin B1 of 23.3, 10.7, 25, and 4.6 were found in corn, oat, wheat, and soy, respectively. Other analyzed foods like rice, beans, and peas presented percentages of contamination with aflatoxin B1 inferior to 5% of the analyzed samples. It was found that more than 455 samples surpassed the value of 10 μg/kg. Corn and peanut products present a high demand in population showing levels of contamination superior to 50 μg/kg. The 11.3% of the samples contaminated with aflatoxin B1 have values between 1 and 20 μg/kg, where peanut and concentrates show the highest percentages (21.9 and 18.7), respectively. These results show levels of aflatoxin B1 in the population that constitute a great risk for human and animal health.

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Document Type: Research Article

Affiliations: 1: National Center for Animal and Plant Protection (CENSA), Apartado 10 San Jose´de las Lajas, La Habana, Cuba 2: Institute of Nutrition and Hygiene of Food (INHA), Infanta No. 1158 Habana 3, Ciudad de la Habana, Cuba

Publication date: January 1, 2002

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