Formation of furan and furan derivatives in baby food products.

A comprehensive analysis of 89 commercial baby food samples showed the highest levels of furan in ready-to-eat full meals and vegetable purees (12-118 μg/kg). The alkylated furans (2- and 3-methylfuran, 2-ethylfuran, 2-pentylfuran) were predominantly found in these baby food categories. Furfuryl alcohol was notably abundant in ready-to-eat cereal porridge (3,550-13,100 μg/kg). The addition of lactose to self-made cereal porridge strongly influenced the formation of furfuryl alcohol. After reheating selected commercial baby food samples, a reduction of furan by 38 %, methylfurans by 28 %, and 2-ethylfuran by 26 % has been achieved. Raw materials, vegetable varieties, and storage conditions had a major impact on furan formation, which requires an adaptation of processing parameters. The most promising mitigation of furan (by 44 %) and most furan derivatives in vegetable puree were achieved by adding the additive calcium lactate gluconate. In contrast, in cereal porridge, the formation of furfuryl alcohol was reduced by 28 %.

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Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.