Mycotoxin Profile of ‘Tom Bran’, a Cereal-legume Weaning Food Preparation
doi.org/10.26538/tjnpr/v6i1.11
Keywords:
Cereals, Complementary Food, Legumes, Mycotoxins, Tom BranAbstract
Higher levels of different mycotoxins than their respective tolerable limits exist in infant foods with concomitant far reaching physiological implications. This study aimed to measure the levels of commonly occurring mycotoxins in Tom Bran (a cereal-legume eaning food) and its composite grains (groundnut, soybean, millet, guinea corn and yellow corn) against regulatory standards. Samples of Tom Bran and their respective composite grains were subjected to mycotoxin analysis using LC-MS/MS following initial louroacylation derivatization. The result obtained showed that the levels of aflatoxins (Af) B1, B2, G1 and G2; fumonisins (Fum) B1, B2 and B3; ochratoxin (OTA) B; deoxynivalenol (DON) and zearalenone (ZEA) in Tom Bran were all within the respective safe limits set for infant population by Codex Alimentarius Commission and the United States Department of Agriculture. The levels of ZEA in all the sampled composite foodstuffs investigated, save some groundnut samples, were within regulatory limit (<10 µg/kg), just like those of Fum B1, B2 and B3 (< 50 µg/kg each); DON (<50 µg/kg) and OTA B (<0.5 µg/kg). Af B1 in groundnut samples investigated were espectively above the allowable limit of 2.0 µg/kg set for infant food, except in R1where Af G1 level in groundnut is safe (1.450µg/kg). The respective levels of Af B1, B2, G1 and G2 in ‘Tom Bran’, soybean, millet, guinea corn and yellow corn, but not groundnut, were all within permissible limits. The composite infant formula is therefore considered ‘safe’ for human consumption and as a weaning food for older infants and young children.
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