Melamine Contamination in China | |||||||
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IntroductionOn September 12, 2008, in light of reports from China of infant formula contaminated with melamine, the FDA issued a Health Information Advisory to proactively reassure the American public that there is no known threat of contamination in infant formula manufactured by companies that have met the requirements to sell such products in the United States. That advisory also warned members of Asian communities in the United States that infant formula manufactured in China, possibly available for purchase at Asian markets, could pose a risk to infants. No Chinese manufacturers of infant formula have fulfilled the requirements to sell infant formula in the United States. In addition, the FDA -- in conjunction with state and local officials - continues to check Asian markets for food items that are imported from China and that could contain a significant amount of milk or milk proteins. The FDA has broadened its domestic and import sampling and testing of milk-derived ingredients and finished food products containing milk or milk-derived ingredients from Chinese sources. FDA has recommended that consumers not consume certain products because of possible contamination with melamine. A list of those products is below. Update on FDA's InvestigationOctober 10, 2008: The FDA issued a product-specific Import Alert, which prevents certain products from entering U.S. commerce and provides another layer of protection to consumers. http://www.fda.gov/ora/fiars/ora_import_ia9931.html FDA's Warnings/AdvisoriesThe FDA is advising consumers not to consume the following products because of possible melamine contamination:
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Information for ConsumersInformation for IndustryFDA's Interim Safety and Risk Assessment of Melamine and Melamine-Related Compounds in FoodThe FDA issued the results of its interim safety and risk assessment of melamine and melamine-related compounds in food, including infant formula. The purpose of the FDA interim safety/risk assessment was to identify the level of melamine and melamine-related compounds in food which would not raise public health concerns. For infant formula, the safety/risk assessment concludes that at this time FDA is unable to establish any level of melamine and melamine-related compounds in infant formula that does not raise public health concerns. In large part, this is because of gaps in our scientific knowledge. In food products other than infant formula, the safety/risk assessment concludes that levels of melamine and melamine-related compounds below 2.5 ppm do not raise public health concerns. This conclusion assumes a worst case exposure scenario in which 50% of the diet is contaminated at this level, and applies a 10-fold safety factor to the Tolerable Daily Intake (TDI) to account for uncertainties.
FDA's Testing MethodsThe FDA Field laboratories are using LC-MS/MS methods that are capable of determining melamine and cyanuric acid at levels of 0.25 ppm in powdered infant formula and other dairy-containing food products or ingredients. These and a GC/MS method for melamine and its analogues are:
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FDA information on banned melamine products
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