Bisphenol A (BPA), widely used as additive in food packaging, is an environmental and food contaminant that shows a weak estrogenic activity in general population and toxicity in the infant population. A temporary tolerable daily intake (t-TDI) of 4 μg/kg bw/day and a migration limit of 0.6 mg/kg in food from plastic materials, intended to come in contact with food, were fixed. Dietary milk is important in the human diet. The review investigated the contamination levels in human milk and along the dairy supply chain. Despite the reported levels are generally below the fixed limits, breast milk is considered a continuous low level exposure to endocrine-active compounds for infants. In addition, BPA residues are detected in milk and dairy products posing a risk to human health. BPA enters into milk chain via multiple pathways at various points during milk production (e.g., PVC tubing used during the milking process, transfer from bulk milk to storage tanks, during milk processing). To prevent or mitigate this hazard, a specific TDI for infants is recommended and evaluation of risk factors at each phase of the dairy supply chain, in the quality systems, is recommended.
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